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{{Short description|Ancestor of the Celtic languages}}

factoids

{{Indo-European topics}}Proto-Celtic, or Common Celtic, is the hypothetical ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celtic is generally thought to have been spoken between 1300 and 800 BC, after which it began to split into different languages. Proto-Celtic is often associated with the Urnfield culture and particularly with the Hallstatt culture. Celtic languages share common features with Italic languages that are not found in other branches of Indo-European, suggesting the possibility of an earlier Italo-Celtic linguistic unity. Proto-Celtic is currently being reconstructed through the comparative method by relying on later Celtic languages. Though Continental Celtic presents much substantiation for Proto-Celtic phonology, and some for its morphology, recorded material is too scanty to allow a secure reconstruction of syntax, though some complete sentences are recorded in the Continental Gaulish and Celtiberian. So the main sources for reconstruction come from Insular Celtic languages with the oldest literature found in Old IrishCeltic literature at britannica.com, accessed 7 February 2018 and Middle Welsh,JOURNAL, Rhys, John, Evans, E. Vincent, The Origin of the Welsh Englyn and Kindred Metres, Y Cymmrodor, 1905, XVIII,archive.org/stream/ycymmrodor18cymmuoft, Honourable Society of Cymmrodorion, London, dating back to authors flourishing in the 6th century AD.

Dating

Proto-Celtic is usually dated to the Late Bronze Age, ca. 1200–900 BC.Koch, John T. (2020). Celto-Germanic Later Prehistory and Post-Proto-Indo-European vocabulary in the North and West {{Webarchive|url=https://web.archive.org/web/20211125063756www.wales.ac.uk/Resources/Documents/Centre/2020/Celto-Germanic2020.pdf |date=2021-11-25 }}, pp. 45–48. The fact that it is possible to reconstruct a Proto-Celtic word for ‘iron’ (traditionally reconstructed as (wikt:Reconstruction:Proto-Celtic/Ä«sarnom|*Ä«sarnom)) has long been taken as an indication that the divergence into individual Celtic languages did not start until the Iron Age (8th century BCE to 1st century BCE); otherwise, descendant languages would have developed their own, unrelated words for their metal. However, SchumacherBOOK, Schumacher, Stefan, Die keltischen Primärverben. Ein vergleichendes, etymologisches und morphologisches Lexikon, 2004, Institut für Sprachen und Literaturen der Universität Innsbruck, Innsbruck, Austria, 3-85124-692-6, 85, de, and SchrijverBOOK, Schrijver, Peter, Peter Schrijver, Koch, John T., Cunliffe, Barry, John T. Koch, Barry Cunliffe, Celtic from the West 3: Atlantic Europe in the Metal Ages – Questions of Shared Language, 2016, Oxbow Books, Oxford, UK, 978-1-78570-227-3, 489–502, 17. Ancillary study: Sound Change, the Italo-Celtic Linguistic Unity, and the Italian Homeland of Celtic,books.google.com/books?id=HP4sDwAAQBAJ&q=%22peter+schrijver%22+%22celtic+from+the+west+3%22&pg=PA9, May 12, 2019, suggest a date for Proto-Celtic as early as the 13th century BC, the time of the Canegrate culture, in northwest Italy, and the Urnfield culture in Central Europe, implying that the divergence may have already started in the Bronze Age.{{Why|reason=This makes little sense. Even if Proto-Celtic existed in the 13th century BC, then why does that mean it diverged earlier than the 8th century BC?|date=September 2022}}

Sound changes from Proto-Indo-European

The phonological changes from Proto-Indo-European (PIE) to Proto-Celtic (PC) may be summarized as follows.{{sfn|Matasović|2009}} The changes are roughly in chronological order, with changes that operate on the outcome of earlier ones appearing later in the list.

Late PIE

These changes are shared by several other Indo-European branches.

• e is colored by an adjacent laryngeal consonant:
  • ehâ‚‚, hâ‚‚e > ahâ‚‚, hâ‚‚a
  • eh₃, h₃e > oh₃, h₃o
• Palatovelars merge into the plain velars:
  • ḱ > k
  • ǵ > g
  • ǵʰ > gÊ°
• Epenthetic a is inserted after a syllabic sonorant if a laryngeal and another sonorant follow (RÌ¥HR > RaHR)
• Laryngeals are lost:
  • before a following vowel (HV > V)
  • following a vowel in syllables before the accent (VHC´ > VC´)
  • following a vowel before a consonant, or word finally, resulting in compensatory lengthening, thus (VHC > VÌ„C, VH > VÌ„)
  • between plosives in non-initial syllables (CHC > CC)
• Two adjacent dentals become two adjacent sibilants (TT > TsT > ss)

Italo-Celtic

The following sound changes are shared with the Italic languages in particular, and are cited in support of the Italo-Celtic hypothesis.{{sfn|Schrijver|2015|pp=196–197}}

• Dybo’s rule: long close vowels are shortened (or a laryngeal is lost) before resonant + stressed vowel. Note that something like Dybo’s rule seems to have also operated in Germanic (Old English wer

< *wiHró-).Matasovic, R. (2009) Etymological Dictionary of Proto-Celtic. Brill. p.7

• Ä«R´ / ? iHR´ > iR´
• Å«R´ / ? uHR´ > uR´
• Possibly, post-consonantal laryngeals are lost when before pre-tonic close vowels:
  • CHiC´ > CiC´
  • CHuC´ > CuC´
• Development of initial stress, following the previous two changes. But note that this seems to have been an areal feature, shared, for example with the Indo-European Germanic languages and the non-Indo-European Etruscan language.Salmon, Joseph (1992) Accentual Change and Language Contact Stanford UP
• Possibly, vocalization of laryngeals to Ä« between a CR cluster and consonantal j (CRHjV > CRÄ«jV)
• Syllabic laryngeals become a (CHC > CaC)
• Syllabic resonants before a voiced unaspirated stop become Ra (RÌ¥D > RaD)
• m is assimilated or lost before a glide:
  • mj > nj
  • mw > w
• p assimilates to kÊ· when another kÊ· follows later in the word (p…kÊ· > kʷ…kÊ·). But Matasovic points out that: A) this change may have occurred late in Celtic; B) it seems not to have operated on some words in Irish; and C) a very similar assimilation (though in reverse) also occurred in Germanic.Matasovic, R. (2009) Etymological Dictionary of Proto-Celtic. Brill. pp.11–12

One change shows non-exact parallels in Italic: vocalization of syllabic resonants next to laryngeals depending on the environment. Similar developments appear in Italic, but for the syllabic nasals *m̥, *n̥, the result is Proto-Italic *əm, *ən (> Latin em ~ im, en ~ in).

• Word-initially, HRÌ¥C > aRC
• Before voiceless stops, CRÌ¥HT > CRaT
• CRÌ¥HV > CaRHV
• CRÌ¥HC > CRāC

Early PC

• Sequences of velar and w merge into the labiovelars (it is uncertain if this preceded or followed the next change; that is, whether gw > b or gw > gÊ·, but Schumacher 2004 argues on p. 372 that this change came first; moreover, it is also found in Proto-Italic, and thus arguably belongs to the previous section):
  • kw > kÊ·
  • gw > gÊ·
  • gÊ°w > gÊ·Ê°
  • gÊ· > b
• Aspirated stops lose their aspiration and merge with the voiced stops (except that this counterfeeds the previous change, so gÊ·Ê° > gÊ· doesn’t result in a merger; that is, the change gÊ·Ê° > gÊ· must crucially happen after the sound change gÊ· > b has been completed):Cólera, Carlos Jordán (2007) “Celtiberian,” e-Keltoi: Journal of Interdisciplinary Celtic Studies: Vol. 6, Article 17. p.759. Available at:dc.uwm.edu/ekeltoi/vol6/iss1/17 accessed June 21, 2023
  • bÊ° > b
  • dÊ° > d
  • gÊ° > g
  • gÊ·Ê° > gÊ·
• e before a resonant and a (but not ā) becomes a as well (eRa > aRa): ǵʰelH-ro > gelaro > galaro / gérH-no > gerano > garano (Joseph’s rule).
• Epenthetic i is inserted after syllabic liquids when followed by a plosive:
  • lÌ¥T > liT
  • rÌ¥T > riT
• Epenthetic a is inserted before the remaining syllabic resonants:
  • mÌ¥ > am
  • nÌ¥ > an
  • lÌ¥ > al
  • rÌ¥ > ar
• All remaining nonsyllabic laryngeals are lost.
• Ä“ > Ä«
• ō > Å« in final syllables
• Long vowels are shortened before a syllable-final resonant (V:RC > VRC); this also shortens long diphthongs. (Osthoff’s law)

Late PC

• Plosives become x before a different plosive or s (C₁Câ‚‚ > xCâ‚‚, Cs > xs)
• p > b before liquids (pL > bL)
• p > w before nasals (pN > wN)
• p > ɸ (except possibly after s)
• ō > ā
• ey > Ä“ (but not in Celtiberian or Lepontic)
• ew > ow
• uwa > owa

Examples

{|class=“wikitable”!rowspan=2|PIE!rowspan=2|PC!colspan=7|Example!PIE!colspan=2|Proto-Celtic!colspan=2|Old Irish!colspan=2|Welshp}}ɸ}}phâ‚‚tḗr}}ɸatÄ«r}}| fatherathir| edrydd| cf. home (< *ɸatrijo-)t}}t}}tréyes}}trÄ«s}}| threetrítrik, ḱ}}k}}khâ‚‚nÌ¥-e-}}*{{PIE|ḱmÌ¥tom}}kan-o-}}*{{PIE|kantom}}| singhundredcanaidcét {{IPA|/kʲeːd/}}canucant kÊ·}}kÊ·}}kÊ·etwores}}kÊ·etwares}}| fourceth(a)irpedwarb}}b}}h₂ébōl}}abalom}}| appleuballafald}}d}}derḱ-}}derk-}}| see| derc| eye| drych| sightg, ǵ}}g}}gleh₁i-}}*{{PIE|ǵen-u-}}gli-na-}}*{{PIE|genu-}}| to gluejaw| glen(a)id’giun, gin| (he) sticks fastmouth| glynu’gên| adherejawgÊ·}}b}}gÊ·enhâ‚‚}}bena}}| womanbenO.W. benbÊ°}}b}}bʰére-}}ber-o-}}| carry| berid| (he) carries| adfercymerydWelsh adfer ‘to restore’ < *ate-ber-, cymeryd < obsolete cymer < M.W. cymeraf < *kom-ber- (with -yd taken from the verbal noun cymryd < *kom-britu).| to restoreto takedÊ°}}d}}dÊ°eh₁i-}}di-na-}}| suck| denait| they suckdynu, denugÊ°, ǵʰ}}g}}gÊ°h₁bÊ°-(e)y-}}*{{PIE|ǵʰelH-ro-}}gab-i-}}*{{PIE|galaro-}}| takesickness| ga(i)bid’galar| (he) takessickness| gafael’galar| holdgriefgÊ·Ê°}}gÊ·}}gÊ·Ê°nÌ¥-}}gÊ·an-o-}}| kill, wound| gonaid| (he) wounds, slays| gwanu| stabs}}s}}sen-o-}}senos}}| oldsenhenm}}m}}méhâ‚‚tÄ“r}}mātÄ«r}}| mothermáthir| modryb| cf. auntn}}n}}hâ‚‚nép-ōt-}}neɸūts}}| nephewniadnail}}l}}leyǵʰ-}}lig-e/o-}}| lick| ligid| (he) licksllyo, llyfu r}}r}}h₃rēǵ-s}}rÄ«gs}}| kingrí (gen. ríg)rhij}}j}}hâ‚‚yuh₁n-ḱós}}juwankos}}| youngóacieuancw}}w}}hâ‚‚wlÌ¥h₁tí-}}wlatis}}| rulershipflaith| gwlad| country{|class=“wikitable”!colspan=2 rowspan=2|PIE!rowspan=2|PC!colspan=7|Example!PIE!colspan=2|PC!colspan=2|Old Irish!colspan=2|Welsh*{{PIE|a, *hâ‚‚e}}a}}hâ‚‚ep-h₃ōn-}}abÅ«}}acc. *abonen| riveraubafon*{{PIE|ā, *ehâ‚‚}}ā}}bÊ°réhâ‚‚tÄ“r}}brātÄ«r}}| brotherbráthirbrawd*{{PIE|e, h₁e}}e}}sen-o-}}senos}}| oldsenhenH}}| betweenconsonantsHowever, according to Hackstein (2002) *CH.CC > Ø in unstressed medial syllables. Thus, H can disappear in weak cases while being retained in strong cases, e.g. IE nom.sg. *dÊ°ughâ‚‚tḗr vs. gen.sg. *dÊ°ugtr-os ‘daughter’ > early PC *dugater- ~ dugtr-. This then led to a paradigmatic split, resulting in Celtiberian gen.sg. tuateros, nom.pl. tuateres vs. Gaulish duxtir (< *dugtÄ«r). (Zair 2012: 161, 163).a}}phâ‚‚tḗr}}ɸatÄ«r}}| fatherathir| edrydd| cf. home*{{PIE|Ä“, eh₁}}Ä«}}weh₁-ro-}}wÄ«ros}}| truefírgwir*{{PIE|o, Ho, h₃e}}o}}Hrothâ‚‚o-}}rotos}}| wheelrothrhod *{{PIE|ō, eh₃}}| in final syllableÅ«}}hâ‚‚nép-ōt-}}neɸūts}}| nephewniænai| elsewhereā}}deh₃no-}}dāno-}}| giftdándawn*{{PIE|i}}i}}gÊ·ih₃-tu-}}bitus}}| worldbithbyd*{{PIE|Ä«, iH}}Ä«}}rÄ«mehâ‚‚}}rÄ«mā}}| numberrímrhif*{{PIE|ai, hâ‚‚ei, ehâ‚‚i}}ai}}kaikos}}*{{PIE|sehâ‚‚itlo-}}kaikos}}*{{PIE|saitlo-}}| blindage| cáech—| one-eyed—| coeghoedl| empty, one-eyedage*{{PIE|(h₁)ei, Ä“i, eh₁i}}ei}}deywos}}deiwos}}| goddíaduw *{{PIE|oi, ōi, h₃ei, eh₃i}}oi}}oynos}}oinos}}| oneóen oín;áen aínun *{{PIE|u}}wa}}o}}hâ‚‚yuh₁n-ḱós}}juwankos}} >*{{PIE|jowankos}}| youngóacieuanc| elsewhereu}}srutos}}srutos}}| streamsruthffrwd*{{PIE|Å«, uH}}Å«}}ruHnehâ‚‚}}rÅ«nā}}| mysteryrúnrhin *{{PIE|au, hâ‚‚eu, ehâ‚‚u}}au}}tausos}}tausos}}| silent| táuetausijā}})taw*{{PIEou, ōu, h₃eu, eh₃u}}ou}}tewtehâ‚‚}}*{{PIE|gÊ·eh₃-u-s}}toutā}}*{{PIE|bows}}| peoplecowtúathbótudM.W. bu, biw *{{PIE|lÌ¥}}| before stopsli}}plÌ¥thâ‚‚nós}}ɸlitanos}}| widelethanllydan| before otherconsonantsal}}klÌ¥h₁-}}kaljākos}}| roostercailech(Ogham gen. ‘’{{sm|caliaci}})ceiliog *{{PIE|rÌ¥}}| before stopsri}}bÊ°rÌ¥ti-}}briti-}}| act of bearing; mindbreth, brithbryd| before otherconsonantsar}}mrÌ¥wos}}marwos}}| deadmarbmarw*{{PIE|mÌ¥}}am}}dmÌ¥-nhâ‚‚-}}damna-}}| subdue| M.Ir.damnaid| he ties,fastens,binds—*{{PIE|nÌ¥}}an}}h₃dnÌ¥t-}}dant}}| toothdét {{IPA|/dʲeːd/}}dant *{{PIE|lÌ¥H}}obstruent consonant>obstruentsla}}hâ‚‚wlh₁tí-}}wlatis}}| lordshipflaith| gwlad| countrysonorant consonant>sonorantslā}}plÌ¥Hmehâ‚‚}}ɸlāmā}}| handlámllaw *{{PIE|rÌ¥H}}| before obstruentsra}}mrÌ¥Htom}}mratom}}| betrayalmrathbrad| before sonorantsrā}}ǵrÌ¥Hnom}}grānom}}| graingrángrawnmÌ¥H}}(presumably withsame distributionas above)am/mā}}dmÌ¥hâ‚‚-ye/o-}}damje/o-}}| to tame| daimidfodam-| daimid-| goddef| endure, suffernÌ¥H}}an/nā}}ǵnÌ¥h₃to-}} ?gnātos}}| knowngnáth| gnawd| customary

Phonological reconstruction

Consonants

The following consonants have been reconstructed for Proto-Celtic (PC): ! rowspan=“2” |Manner! rowspan=“2” |Voicing! rowspan=“2” | Bilabial ! rowspan=“2” | Alveolar ! rowspan=“2” | Palatal ! colspan=“2” | Velar ! |plain! |labialized style="text-align:center;“! rowspan=“2” | Plosive!voiceless|t}}|k}}kÊ·}} style="text-align:center;“!voicedb}}d}}|É¡}}É¡Ê·}} style="text-align:center;“! colspan=“2” | Fricativeɸ}}s}}|x}}| style="text-align:center;“! colspan=“2” | Nasal{{IPA|m}}{{IPA|n}}||| style="text-align:center;“! colspan=“2” | Approximant|l}}j}}|w}} style="text-align:center;“! colspan=“2” | Trill|r}}| ||

Allophones of plosives

Eska has recently proposed that PC stops allophonically manifest similarly to those in English. Voiceless stop phonemes /t k/ were aspirated word-initially except when preceded by /s/, hence aspirate allophones [tʰ kʰ]. And unaspirated voiced stops /b d ɡ/ were devoiced to [p t k] word-initially.JOURNAL, Eska, Joseph F., Laryngeal Realism and the Prehistory of Celtic, Transactions of the Philological Society, Wiley, 116, 3, March 12, 2018, 0079-1636, 10.1111/1467-968x.12122, 320–331, JOURNAL, Eska, Joseph, Laryngeal Realism and early Insular Celtic orthography, North American Journal of Celtic Studies, 3, 1, January 26, 2021, 2472-7490, 1–17,muse.jhu.edu/article/781221/, November 24, 2021, This allophony may be reconstructed to PC from the following evidence:

• Modern Celtic languages like Welsh, Breton, and all modern Goidelic languages have such plosive aspiration and voice allophony already attested. (But there is no trace of this in Gaulish.)
• Several old Celtic languages (such as Old Irish, Old Welsh, and Lepontic) used letters for voiceless stop phonemes to write both voiceless stop phonemes and their voiced counterparts, especially non-word-initially. (But in the case of Lepontic, this is because the alphabet was derived from Etruscan, which has no voice contrasts in plosives.)
• The Celtiberian Luzaga’s Bronze has the curious spelling of an accusative determiner sdam, where the d is clearly meant to spell [t]. This implies that Celtiberian /d/ had a voiceless allophone {{IPA|[t]}}.

Evolution of plosives

Proto-Indo-European (PIE) voiced aspirate stops *bÊ°, *dÊ°, *gÊ°/ǵʰ, merge with *b, *d, *g/ǵ in PC. The voiced aspirate labiovelar *gÊ·Ê° did not merge with *gÊ·, though: plain *gÊ· became PC *b, while aspirated *gÊ·Ê° became *gÊ·. Thus, PIE *gÊ·en- ‘woman’ became Old Irish and Old Welsh ben, but PIE *gÊ·Ê°nÌ¥- ‘to kill, wound’ became Old Irish gonaid and Welsh gwanu.PIE *p is lost in PC, apparently going through the stages *ɸ (possibly a stage *[pÊ°]) and *h (perhaps seen in the name Hercynia if this is of Celtic origin) before being completely lost word-initially and between vowels. Next to consonants, PC *ɸ underwent different changes: the clusters *ɸs and *ɸt became *xs and *xt respectively already in PC. PIE *sp- became Old Irish s (f- when lenited, exactly as for PIE *sw-) and Brythonic f; while {{harvnb|Schrijver|1995|p=348}} argues there was an intermediate stage *sɸ- (in which *ɸ remained an independent phoneme until after Proto-Insular Celtic had diverged into Goidelic and Brythonic), {{harvnb|McCone|1996|pp=44–45}} finds it more economical to believe that *sp- remained unchanged in PC, that is, the change *p to *ɸ did not happen when *s preceded. (Similarly, Grimm’s law did not apply to *p, t, k after *s in Germanic, and the same exception occurred again in the High German consonant shift.) ! Proto-Celtic! Old Irish! Welshlaɸs-}} > *{{PIE|laxs-}} ‘shine’| las-aid| llach-arseɸtam}} > *{{PIE|sextam}} ‘seven’| secht| saithsɸeret-}} or *{{PIE|speret-}} ‘heel’| seir| ffêrIn Gaulish and the Brittonic languages, the Proto-Indo-European *{{PIE|kÊ·}} phoneme becomes a new *{{PIE|p}} sound. Thus, Gaulish petuar[ios], Welsh pedwar “four”, but Old Irish cethair and Latin quattuor. Insofar as this new {{IPA|/p/}} fills the gap in the phoneme inventory which was left by the disappearance of the equivalent stop in PIE, we may think of this as a chain shift.The terms P-Celtic and Q-Celtic are useful for grouping Celtic languages based on the way they handle this one phoneme. But a simple division into P- / Q-Celtic may be untenable, as it does not do justice to the evidence of the ancient Continental Celtic languages. The many unusual shared innovations among the Insular Celtic languages are often also presented as evidence against a P- vs Q-Celtic division, but they may instead reflect a common substratum influence from the pre-Celtic languages of Britain and Ireland,weblink, or simply continuing contact between the insular languages; in either case they would be irrelevant to the genetic classification of Celtic languages.Q-Celtic languages may also have {{IPA|/p/}} in loan words, though in early borrowings from Welsh into Primitive Irish, {{IPA|/kÊ·/}} was used by sound substitution due to a lack of a {{IPA|/p/}} phoneme at the time:

• Latin Patricius “Saint Patrick“’ > Welsh > Primitive Irish {{sm|Qatricias}} > Old Irish Cothrige, later Pádraig;
• Latin presbyter “priest” > early form of word seen in Old Welsh premter primter > Primitive Irish {{sm|qrimitir}} > Old Irish cruimther.

Gaelic póg “kiss” was a later borrowing (from the second word of the Latin phrase osculum pacis “kiss of peace“) at a stage where p was borrowed directly as p, without substituting c.

Vowels

The PC vowel system is highly comparable to that reconstructed for PIE by Antoine Meillet. The following monophthongs are reconstructed: ! rowspan=“2” | Type! colspan=“2” | Front! colspan=“2” | Central! colspan=“2” | Back style="text-align:center;“!  long !  short !  long !  short !  long !  short  style="text-align:center;“! Closeiː}}i}}  uː}}u}} style="text-align:center;“! Mideː}}e}} | o}} style="text-align:center;“! Open  aː}}a}}  The following diphthongs have also been reconstructed: ! Type! With -i! With -ualign=center!With a- ai}} {{IPA|au}}align=center!With o- oi}} {{IPA|ou}}align=center

Morphology

Nouns

The morphological (structure) of nouns and adjectives demonstrates no arresting alterations from the parent language. Proto-Celtic is believed to have had nouns in three genders, three numbers and five to eight cases. The genders were masculine, feminine and neuter; the numbers were singular, plural and dual. The number of cases is a subject of contention:BOOK, Pedersen, Holger, Vergleichende Grammatik der keltischen Sprachen, 2. Band, Bedeutungslehre (Wortlehre), Vandenhoeck & Ruprecht, Göttingen, 1913, 978-3-525-26119-4, while Old Irish may have only five, the evidence from Continental Celtic is considered{{by whom|date=April 2011}} rather unambiguous despite appeals to archaic retentions or morphological leveling. These cases were nominative, vocative, accusative, dative, genitive, ablative, locative and instrumental.Nouns fall into nine or so declensions, depending on stem. There are *o-stems, *ā-stems, *i-stems, *u-stems, dental stems, velar stems, nasal stems, *r-stems and *s-stems.o-stem nouns“>

*o-stem nouns

• makkÊ·os ‘son’ (masculine) (Old Irish mac ~ Welsh, Cornish and Breton mab)

{|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *makkÊ·os | *makkÊ·ou| *makkÊ·oi! Vocative| *makkÊ·e| *makkÊ·ou| *makkÊ·Å«s! Accusative| *makkÊ·om| *makkÊ·ou| *makkÊ·Å«s! Genitive| *makkÊ·Ä«| *makkÊ·Å«s| *makkÊ·om! Dative| *makkÊ·Å«i| *makkÊ·obom| *makkÊ·obos! Ablative| *makkÊ·Å«| *makkÊ·obim| *makkÊ·obis! Instrumental| *makkÊ·Å«| *makkÊ·obim| *makkÊ·Å«s! Locative| *makkÊ·ei| *makkÊ·ou| *makkÊ·obisHowever, Celtiberian shows -o- stem genitives ending in -o rather than -Ä«: aualo “[son] of Avalos”. Untermann, J. (1967). “Die Endung des Genitiv singularis der o-Stämme im Keltiberischen.” In W. Meid (ed.), Beiträge zur Indogermanistik und Keltologie, Julius Pokorny zum 80. Geburtstag gewidmet, pp. 281–288. Innsbruck: Sprachwissenschaftliches Institut der Universität Innsbruck.

• dÅ«nom ‘stronghold’ (neuter){|class=“wikitable”

! Case! Singular! Dual! Plural! Nominative| *dÅ«nom| *dÅ«nou| *dÅ«nā! Vocative| *dÅ«nom| *dÅ«nou| *dÅ«nā! Accusative| *dÅ«nom| *dÅ«nou| *dÅ«nā! Genitive| *dÅ«nÄ«| *dÅ«nÅ«s| *dÅ«nom! Dative| *dÅ«nÅ«i| *dÅ«nobom| *dÅ«nobos! Ablative| *dÅ«nÅ«| *dÅ«nobim| *dÅ«nobis! Instrumental| *dÅ«nÅ«| *dÅ«nobim| *dÅ«nÅ«s! Locative| *dÅ«nei| *dÅ«nou| *dÅ«nobisā-stem nouns“>

*ā-stem nouns

E.g. *ɸlāmā ‘hand’ (feminine) (Old Irish lám; Welsh llaw, Cornish leuv, Old Breton lom){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *ɸlāmā| *ɸlāmai| *ɸlāmās! Vocative| *ɸlāmā| *ɸlāmai| *ɸlāmās! Accusative| *ɸlāmām| *ɸlāmai| *ɸlāmās! Genitive| *ɸlāmās| *ɸlāmajous| *ɸlāmom! Dative| *ɸlāmāi| *ɸlāmābom| *ɸlāmābos! Ablative| *ɸlāmÄ«| *ɸlāmābim| *ɸlāmābis! Instrumental| *ɸlāmÄ«| *ɸlāmābim| *ɸlāmābis! Locative| *ɸlāmāi| *ɸlāmābim| *ɸlāmābisi-stems“>

*i-stems

E.g. *sÅ«lis ‘sight, view, eye’ (feminine) (Brittonic sulis ~ Old Irish súil){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *sÅ«lis| *sÅ«lÄ«| *sÅ«lÄ«s! Vocative| *sÅ«li| *sÅ«lÄ«| *sÅ«lÄ«s! Accusative| *sÅ«lim| *sÅ«lÄ«| *sÅ«lÄ«s! Genitive| *sÅ«leis| *sÅ«ljous| *sÅ«ljom! Dative| *sÅ«lei| *sÅ«libom| *sÅ«libos! Ablative| *sÅ«lÄ«| *sÅ«libim| *sÅ«libis! Instrumental| *sÅ«lÄ«| *sÅ«libim| *sÅ«libis! Locative| *sÅ«lÄ«| *sÅ«libim| *sÅ«libisE.g. *mori ‘body of water, sea’ (neuter) (Gaulish Mori- ~ Old Irish muir ~ Welsh môr){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *mori| *morÄ«| *moryā! Vocative| *mori| *morÄ«| *moryā! Accusative| *mori| *morÄ«| *moryā! Genitive| *moreis| *moryous| *moryom! Dative| *morei| *moribom| *moribos! Ablative| *morÄ«| *moribim| *moribis! Instrumental| *morÄ«| *moribim| *moribis! Locative| *morÄ«| *moribim| *moribisu-stem nouns“>

*u-stem nouns

E.g. *bitus ‘world, existence’ (masculine) (Gaulish Bitu- ~ Old Irish bith ~ Welsh byd ~ Breton bed){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *bitus| *bitou| *bitowes! Vocative| *bitu| *bitou| *bitowes! Accusative| *bitum| *bitou| *bitÅ«s! Genitive| *bitous| *bitowou| *bitowom! Dative| *bitou| *bitubom| *bitubos! Ablative| *bitÅ«| *bitubim| *bitubis! Instrumental| *bitÅ«| *bitubim| *bitubis! Locative| *bitÅ«| *bitubim| *bitubisE.g. “rotisserie spit” (neuter){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! Locative

Velar and dental stems

Before the *-s of the nominative singular, a velar consonant was fricated to *-x : “king” > . Likewise, final *-d devoiced to *-t-: “druid” > .JOURNAL, Whitley, Stokes, Celtic Declension, Transactions of the Philological Society, 20, 1, 97–201, November 1887, E.g. {{wikt-lang|cel-pro|*rÄ«xs}} “king” (masculine){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! LocativeE.g. {{wikt-lang|cel-pro|*druwits}} “druid” (masculine){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! LocativeE.g. {{wikt-lang|cel-x-proto|*karants}} “friend” (masculine){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! Locative

Nasal stems

Generally, nasal stems end in *-on-; this becomes *-Å« in the nominative singular: *abon- “river” > *abÅ«.E.g. {{wikt-lang|cel-pro|*abÅ«}} “river” (feminine){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! LocativeE.g. {{wikt-lang|cel-pro|*anman}} “name” (neuter){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! Locatives-stem nouns“>

*s-stem nouns

Generally,-stems contain an *-es-, which becomes *-os in the nominative singular: ‘house’ > .E.g.{{wikt-lang|cel-pro|*tegos}} “house” (neuter){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative! Vocative! Accusative! Genitive! Dative! Ablative! Instrumental! Locativer-stem nouns“>

*r-stem nouns

• r-stems are rare and principally confined to names of relatives. Typically they end in -ter-, which becomes -tÄ«r in the nominative and -tr- in all other cases aside from the accusative: ɸater- ‘father’ > ɸatÄ«r, ɸatros.

E.g. *ɸatÄ«r ‘father’ (masculine){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *ɸatÄ«r| *ɸatere| *ɸateres! Vocative| *ɸatÄ«r| *ɸatere| *ɸateres! Accusative| *ɸateram| *ɸatere| *ɸaterās! Genitive| *ɸatros| *ɸatrou| *ɸatrom! Dative| *ɸatrei| *ɸatrebom| *ɸatrebos! Ablative| *ɸatrÄ«| *ɸatrebim| *ɸatrebis! Instrumental| *ɸatre| *ɸatrebim| *ɸatrebis! Locative| *ɸatri| *ɸatrebim| *ɸatrebisE.g. *mātÄ«r ‘mother’ (feminine){|class=“wikitable“! Case! Singular! Dual! Plural! Nominative| *mātÄ«r| *mātere| *māteres! Vocative| *mātÄ«r| *mātere| *māteres! Accusative| *māteram| *mātere| *māterās! Genitive| *mātros| *mātrou| *mātrom! Dative| *mātrei| *mātrebom| *mātrebos! Ablative| *mātrÄ«| *mātrebim| *mātrebis! Instrumental| *mātre| *mātrebim| *mātrebis! Locative| *mātri| *mātrebim| *mātrebis

Pronouns

The following personal pronouns in Celtic can be reconstructed as follows:BOOK, McCone, Kim, The Origins and Development of the Insular Celtic Verbal Complex, Department of Old Irish, National University of Ireland, Maynooth studies in Celtic linguistics, 2006, 978-0-901519-46-7, {{rp|pages=220-221}}BOOK, Thurneysen, Rudolf, Rudolf Thurneysen, Binchy, D. A, Osborn, Bergin, A Grammar of Old Irish, Dublin Institute for Advanced Studies, 1940, 1-85500-161-6, {{rp|page=281}}{|class=“wikitable“!rowspan=2| Case!colspan=2| First-person!colspan=2| Second-person! Singular! Plural! Singular! Plural! Nominative! Accusative! Genitive{{reflist|group=*}}The following third-person pronouns in Proto-Celtic may also be reconstructed.BOOK, Schrijver, Peter, Studies in the History of Celtic Pronouns and Particles, Department of Old Irish, National University of Ireland, Maynooth studies in Celtic linguistics, 1997, 978-0-901519-59-7, {{rp|page=62}}{{rp|page=220}}{|class=“wikitable“!rowspan=2| Case!colspan=3| Singular!rowspan=2| Plural! Masculine! Feminine! Neuter! Nominative ! Accusative! Genitive! Dative Instrumental LocativeForms of the masculine singular relative pronoun *yo- can be found in the first Botorrita plaque: The form io-s in line 10 is the nominative singular masculine of the relative pronoun from Proto-Indo-European *yo- (Sanskrit ya-, Greek hos), which shows up in Old Irish only as the aspiration for leniting relative verb forms. Line 7 has the accusative singular io-m and the dative singular io-mui of the same root. Matasovic, R. Etymological Dictionary of Proto-Celtic. Leiden: Brill. 2006. p. 436

Adjectives

Adjectives in Proto-Celtic had positive, comparative, superlative and equative degrees of comparison.

Positive-degree inflection classes

Four inflection classes for positive-degree adjectives are known. Most adjectives belonged to the o-ā class, in which the adjectives inflected like masculine o-stems, neuter o-stems and feminine ā-stems when agreeing with nouns of their respective genders. A much smaller minority of adjectives were i- and u-stems.Consonant-stem adjectives also existed but were vanishingly rare, with only relics in Old Irish like “hot” < .

Comparative degree

The comparative degree was formed on most adjectives by attaching to the adjective stem. For instance, “old” would have a comparative “older”. However, some Caland system adjectives instead had a comparative ending in , which was then extended to . For example, “wide” had a comparative .JOURNAL, The origin of the Celtic comparative type OIr. tressa, MW trech ‘stronger’, 1991, Die Sprache, 34, 171–189, Jay, Jasanoff,

Superlative degree

The superlative was formed by simply attaching to the adjective stem. In some adjectives where the stem ends in *s, the suffix is truncated to by haplology. Thus, “old” would have a superlative “oldest” but (stem ) would have a superlative .

Verbs

From comparison between early Old Irish and Gaulish forms it seems that Continental and Insular Celtic verbs developed differently and so the study of Irish and Welsh may have unduly weighted past opinion of Proto-Celtic verb morphology.{{Citation needed|date=July 2010}} It can be inferred from Gaulish and Celtiberian as well as Insular Celtic that the Proto-Celtic verb had at least three moods:

• indicative — seen in e.g. 1st {{abbr|sg.|singular}} Gaulish delgu “I hold”, Old Irish tongu “I swear”
• imperative — seen in e.g. 3rd {{abbr|sg.|singular}} Celtiberian usabituz, Gaulish appisetu
• subjunctive — seen in e.g. 3rd {{abbr|sg.|singular}} Gaulish buetid “may he be”, Celtiberian asekati

and four tenses:

• present — seen in e.g. Gaulish uediíu-mi “I pray”, Celtiberian zizonti “they sow”
• preterite — seen in e.g. 3rd {{abbr|sg.|singular}} Gaulish sioxti, Lepontic KariTe
• imperfect — perhaps in Celtiberian kombalkez, atibion
• future — seen in e.g. 3rd {{abbr|sg.|singular}} Gaulish bissiet, Old Irish bieid “he shall be”

A probable optative mood also features in Gaulish (tixsintor) and an infinitive (with a characteristic ending -unei) in Celtiberian.Stefan Schumacher, Die keltischen Primärverben: Ein vergleichendes, etymologisches und morphologisches Lexikon (Innsbruck: Institut für Sprachen und Literaturen der Universität, 2004).Pierre-Yves Lambert, La langue gauloise: Description linguistique, commentaire d’inscriptions choisies (Paris: Errance, revised ed. 2003).Verbs were formed by adding suffixes to a verbal stem. The stem might be thematic or athematic, an open or a closed syllable.

Primary endings

The primary endings in Proto-Celtic were as follows. They were used to form the present, future, and subjunctive conjugations.{|class=“wikitable“|+ Proto-Celtic primary endings! rowspan=2| Person and number! colspan=2| Basic endings! colspan=2| Thematic present! Active !! Mediopassive !! Active !! Mediopassive! 1st {{abbr|sg.|singular}}! 2nd {{abbr|sg.|singular}}! 3rd {{abbr|sg.|singular}}! 1st {{abbr|pl.|plural}}! 2nd {{abbr|pl.|plural}}! 3rd {{abbr|pl.|plural}}

Nasal-infix presents

In Proto-Celtic, the Indo-European nasal infix presents split into two categories: ones originally derived from laryngeal-final roots (i.e. seá¹­ roots in Sanskrit), and ones that were not (i.e. from aniá¹­ roots). In seá¹­ verbs, the nasal appears at the end of the present stem, while in aniá¹­-derived verbs the nasal was followed by a root-final stop (generally -g- in Old Irish). aniá¹­ roots“>

To aniá¹­ roots

Aniá¹­ nasal infix verbs conjugated exactly like basic thematic verbs in the present tense. However, the origin of the invariant root vowel in -o- in *CewC- roots in Old Irish is unclear. Usually, it is held that the consonantism in these verbs was generalized in favour of the plural stem *CunC- in Old Irish. One would expect alternation between o in the 1st- and 3rd- person plural and -u- elsewhere in the present; but for both contexts Old Irish only attests -o-.The following verbs can be reconstructed in this class:

• To CeyC- roots: {{wikt-lang|cel-pro|dingeti}}, {{wikt-lang|cel-pro|grindeti}}, {{wikt-lang|cel-pro|indeti}}, {{wikt-lang|cel-pro|linkÊ·eti}}
• Double-nasal presents: {{wikt-lang|cel-pro|ganndeti}}, {{wikt-lang|cel-pro|glanndeti}}, {{wikt-lang|cel-pro|skanndeti}}
• To CewC- roots: {{wikt-lang|cel-pro|bundeti}}, {{wikt-lang|cel-pro|bungeti}}, {{wikt-lang|cel-pro|dlungeti}}, {{wikt-lang|cel-pro|exsstungeti}}, {{wikt-lang|cel-pro|lungeti}}, {{wikt-lang|cel-pro|rundeti}}, {{wikt-lang|cel-pro|slunketi}}, {{wikt-lang|cel-pro|tungeti}}, {{wikt-lang|cel-pro|unketi}}
• Others: {{wikt-lang|cel-pro|annketi}}, {{wikt-lang|cel-pro|dringeti}}

seá¹­ roots“>

To seá¹­ roots

On the other hand, the seá¹­ presents originally had a long vowel after the nasal in the singular and -a- after the nasal in the plural, but the attested Celtic languages levelled this alternation away. Gaulish shows traces of the singular long-vowel vocalism while Old Irish generalized the plural -a- to the singular.JOURNAL, Lambert, Pierre-Yves, Stifter, David, Le plomb gaulois de Rezé, Études Celtiques, 38, 1, 2012, 0373-1928, 10.3406/ecelt.2012.2351, 139–164, fr, en, The seá¹­ nasal-infix presents were further subdivided into subcategories based on the root-final laryngeal. Traditionally two subclasses have long been accepted, the subclass (cited with a -ni- suffix) and (cited with a -na- suffix). nasal-infixed verbs were often leveled to act like verbs, being also cited with a -na- suffix; the only original difference between the two would have been the 3rd-person plural ending in *-nonti instead of *-nanti.The nasal-infix seá¹­ verbs in Proto-Celtic underwent multiple levelings. First, the suffixal vowel in the plural forms was harmonized so that they would all be the short counterpart to the vowel in the singular forms. Then all the long vowels in the singular were shortened to make the suffix vowel identical in quality and length across all person-number combinations.{{rp|pages=11–23}}{|class=“wikitable“|+ Evolution of Proto-Celtic ablaut in the nasal infix for seá¹­ roots! rowspan=2| Person and number! colspan=3| Pre-leveling! colspan=2| Leveling of vowel quality! colspan=2| Leveling of vowel length! verbs! verbs! verbs! verbs! and verbs! verbs! and verbs! 1st {{abbr|sg.|singular}}! 2nd {{abbr|sg.|singular}}! 3rd {{abbr|sg.|singular}}! 1st {{abbr|pl.|plural}}! 2nd {{abbr|pl.|plural}}! 3rd {{abbr|pl.|plural}}

Preterite formations

There were two or three major preterite formations in Proto-Celtic, plus another moribund type.

• The s-preterite
• The reduplicated suffixless preterite (originating from the PIE reduplicated stative)
• The t-preterite
• The root aorist

The s-, t-, and root aorist preterites take Indo-European secondary endings, while the reduplicated suffix preterite took stative endings. These endings are:BOOK, Schumacher, Stefan, Schulze-Thulin, Britta, aan de Wiel, Caroline, Die keltischen Primärverben. Ein vergleichendes, etymologisches und morphologisches Lexikon, 2004, Institut für Sprachen und Kulturen der Universität Innsbruck, Innsbruck, 3-85124-692-6, de, {{rp|pages=62-67}}{|class=“wikitable“|+ Proto-Celtic preterite endings! rowspan=2| Person and number! colspan=2| Ending type! Secondary endings! Stative endings! 1st {{abbr|sg.|singular}}! 2nd {{abbr|sg.|singular}}! 3rd {{abbr|sg.|singular}}! 1st {{abbr|pl.|plural}}! 2nd {{abbr|pl.|plural}}! 3rd {{abbr|pl.|plural}}

t-preterite

The Old Irish t-preterite was traditionally assumed to be a divergent evolution from the s-preterite, but that derivation was challenged by Jay Jasanoff, who alleges that they were instead imperfects of Narten presents. Either derivation requires Narten ablaut anyway, leading to a stem vowel i in the singular and e in the plural. The stem vowel in the t-preterite was leveled to *e if the next consonant was either velar or *m, and *i in front of *r or *l.BOOK, Jay, Jasanoff, Long-vowel preterites in Indo-European, Melchert, Craig, The Indo-European Verb, Wiesbaden, Reichert Verlag, 2012, 127–135,

Suffixless preterites

Many suffixless preterite formations featured reduplication. The nature of the reduplication depends on the structure of the root.{{rp|pages=68–79}}{|class=“wikitable“|+ Proto-Celtic suffixless preterites! Root! Meaning! Shape! Preterite stem! Noteso-grade and the prefixed reduplicant is formed with the first consonant followed by *e.*C(R)eiT-In Proto-Celtic, roots with a semivowel (PIE ) before a non-laryngeal consonant have the reduplicant formed not with the first consonant of the root followed by *e, but instead the first consonant of the root followed by the semivowel. The root itself remains in the o-grade.*C(R)euT-*CeT-*CeRT-*CeRT- also had the *CeT- preterite formation applied to them but the long was shortened due to Osthoff’s law.*C(C)eH-*C(R)eiH-*CeH- roots was also extended to *C(R)eiH- roots. Due to the roots’ semivowel, the reduplicant also contains the semivowel.

Future formations

One major formation of the future in Celtic, the s-future. It is a descendant of the Proto-Indo-European (h₁)se-desiderative, with i-reduplication in many verbs. The Old Irish a- and s-future come from here.Another future formation, attested only in Gaulish, is the -sye-desiderative.

Subjunctive formations

Most verbs took one subjunctive suffix in Proto-Celtic, -(a)s-, followed by the thematic primary endings. It was a descendant of the subjunctive of an Indo-European sigmatic thematic formation (wikt:Reconstruction:Proto-Indo-European/-seti|*-seti). The -ase- variant originated in roots that ended in a laryngeal in Proto-Indo-European; when the *-se- suffix was attached right after a laryngeal, the laryngeal regularly vocalized into *-a-. It would then analogically spread to other Celtic strong verb roots ending in sonorants in addition to the weak verbs, even if the root did not originally end in a laryngeal.BOOK, McCone, Kim, The Indo-European Origins of the Old Irish Nasal Presents, Subjunctives and Futures, IBS-Vertrieb, Innsbrucker Beiträge zur Sprachwissenschaft, 1991, 978-3-85124-617-9, There were also three verbs that did not use -(a)se-, instead straight-out taking thematised primary endings. Two of these verbs are “to be, exist” (subjunctive ) and “to hear” (subjunctive ).THESIS, Darling, Mark, The Subjunctive in Celtic: Studies in Historical Phonology and Morphology, 2020, University of Cambridge, 10.17863/CAM.57857,www.repository.cam.ac.uk/handle/1810/310768, September 1, 2022, Thesis, Primary subjunctive formations in Proto-Celtic generally use the e-grade of the verb root, even if the present stem uses the zero-grade.

Imperative formation

Imperative endings in Proto-Celtic were as follows:{{rp|pages=147–148}}BOOK, Stüber, Karin, The morphology of Celtic, Handbook of Comparative and Historical Indo-European Linguistics, 2, De Gruyter Mouton, Jared Klein, Brian Joseph, Matthias Fritz, 1203–1217, {|class=“wikitable“|+ Imperative endings in Proto-Celtic! rowspan=2| Person and number! colspan=2| Active endings! Basic endings! With thematic vowels! 2nd {{abbr|sg.|singular}}! 3rd {{abbr|sg.|singular}}! 1st {{abbr|pl.|plural}}! 2nd {{abbr|pl.|plural}}! 3rd {{abbr|pl.|plural}}

Second-person singular imperative

The second-person singular imperative was generally endingless in the active; no ending was generally added to athematic verbs. On thematic -e/o- verbs, the imperative ended in thematic vowel *-e. However, there is also another second-person singular active imperative ending, -si, which was attached to the verb root athematically even with thematic strong verbs.JOURNAL, Jasanoff, Jay, Old Irish tair ‘come!’, Transactions of the Philological Society, Wiley, 84, 1, 1986, 0079-1636, 10.1111/j.1467-968x.1986.tb01050.x, 132–141, The thematic deponent second-person singular imperative ending was *-eso. The -the in Old Irish is secondary.JOURNAL, Barnes, Timothy, Old Irish cuire, its congeners, and the ending of the 2nd sg. middle imperative, Ériu, 65, 1, 2015, 2009-0056, 49–56, 10.3318/eriu.2015.65.3,muse.jhu.edu/article/809031/pdf, September 2, 2022, {{rp|page=140}}

Third-person imperative

The third-person imperative endings in Insular Celtic, Gaulish and Celtiberian have completely separate origins from each other. The Insular Celtic endings are derived from , Gaulish endings from , and the Celtiberian third-person imperative singular ending stems from .

Example conjugations

Scholarly reconstructions {{sfn|Matasović|2009}}Alexander MacBain, 1911, xxxvi–xxxvii; An etymological dictionary of the Gaelic language; Stirling: Eneas MacKayAlan Ward, A Checklist of Proto-Celtic Lexical Items (1982, revised 1996), 7–14.Examples of attested Gaulish verbs atwww.angelfire.com/me/ik/gaulish.html may be summarised in tabular format.{{dubious|date=January 2022}}{| class=“wikitable“|+Conjugation like *bere/o- ‘bear, carry, flow’!rowspan=“2“|!rowspan=“2“| Person!colspan=“2“| Present!colspan=“2“| Imperfect!colspan=“2“| Future!colspan=“2“| Past! Active !! Medio-passive !! Active !! Medio-passive !! Active !! Medio-passive !! Active !! Medio-passive!rowspan=“6“| Indicative! 1st {{abbr|sg.|singular}}berÅ« >berÅ«r >beremam >bibrāsÅ« >bibrāsÅ«r >bÄ«ram >| — ! 2nd {{abbr|sg.|singular}}beresi >beretar >beretās >bibrāsesi >bibrāsetar >birs >| — ! 3rd {{abbr|sg.|singular}}bereti >beretor >bereto >bibrāseti >bibrāsetor >birt >| ? ! 1st {{abbr|pl.|plural}}beromosi >beromor >beremo >bibrāsomosi >bibrāsomor >berme >| — ! 2nd {{abbr|pl.|plural}}beretesi >beredwe >bibrāsete >bibrāsedwe >berte >| — ! 3rd {{abbr|pl.|plural}}beronti >berontor >berento >bibrāsonti >bibrāsontor>berant >| ? !rowspan=“6“| Subjunctive! 1st {{abbr|sg.|singular}}berasÅ« >berasÅ«r >| —! 2nd {{abbr|sg.|singular}}berasesi >berasetar >| —! 3rd {{abbr|sg.|singular}}beraseti >berasetor >| —! 1st {{abbr|pl.|plural}}berasomosi >berasomor >| —! 2nd {{abbr|pl.|plural}}berasetesi >berasedwe >| —! 3rd {{abbr|pl.|plural}}berasonti >berasontor >| —!rowspan=“5“| Imperative! 2nd {{abbr|sg.|singular}}bere >bereso >| —! 3rd {{abbr|sg.|singular}}beretou >| —! 1st {{abbr|pl.|plural}}beromos >| —! 2nd {{abbr|pl.|plural}}berete >| —! 3rd {{abbr|pl.|plural}}berontou >| —!colspan=“2“| Participleberonts >beromnos >bertyos >| *britos

Copula

The copula *esti was irregular. It had both athematic and thematic conjugations in the present tense. Schrijver supposes that its athematic present was used clause-initially and the thematic conjugation was used when that was not the case.BOOK, Dispersals and Diversification, Italo-Celtic and the Inflection of *es- ‘be’, Schrijver, Peter, Brill, December 6, 2019, 10.1163/9789004416192_012, 209–235, 9789004414501, 213806505, Serangeli, Matilde, Olander, Thomas, {|class=“wikitable“|+ Conjugation of *esti in Proto-Celtic!rowspan=“2“| Person!colspan=“2“| Present! Athematic! Thematic!1st sg.!2nd sg.!3rd sg.!1st pl.!2nd pl.!3rd pl.

Vocabulary

The vast majority of reliably reconstructible lexical items in Proto-Celtic have good Indo-European etymologies, unlike what is found in, for example, the Greek language--at least 90% according to Matasovic.Matasovic, R. (2009)Etymological Dictionary of Proto-Celtic Leiden: Brill. p. 443 These include most of the items on the Swadesh list of basic vocabulary. But a few words that do not have Indo-European cognates, so may be borrowings from substrate or adstrate Pre-Indo-European languages, are also from basic vocabulary, including *bodyo- ‘yellow’ (though this has possible cognates in Italic), *kani “good,” and *klukka “stone.“Matasovic, R. (2009)Etymological Dictionary of Proto-Celtic Leiden: Brill. p. 443-444 It is notable that fully 32 items have been reconstructed for Proto-Celtic with the meaning “fight.“English to Proto-Celtic Wordlist p. 44-45www.wales.ac.uk/Resources/Documents/Research/CelticLanguages/EnglishProtoCelticWordList.pdf

See also

• Pre-Celtic
• Italo-Celtic
• Beaker culture
• Urnfield
• Hallstatt culture
• La Tène culture
• Goidelic substrate hypothesis
• Ligures
• Azilian

References

Notes{{Reflist}}Bibliography

• BOOK, Cowgill, Warren, Warren Cowgill, 1975, The origins of the Insular Celtic conjunct and absolute verbal endings, Flexion und Wortbildung: Akten der V. Fachtagung der Indogermanischen Gesellschaft, Regensburg, 9.–14. September 1973, H. Rix, 40–70, Wiesbaden, Reichert,
• BOOK, Evans, D. Simon, A Grammar of Middle Welsh, Dublin, Dublin Institute for Advanced Studies, 1964,
• JOURNAL, Hackstein, Olav, Uridg. CH.CC > C.CC, Historische Sprachforschung, 1–22, 2002, 115,
• JOURNAL, Lane, George S., The Germano-Celtic Vocabulary, Language, 9, 3, 244–264, 1933, 10.2307/409353, 409353,
• BOOK, Ranko, Matasović, Etymological Dictionary of Proto-Celtic, Indo-European Etymological Dictionary, Leiden Indo-European Etymological Dictionary Series, 9, Brill Publishers, Brill Academic Publishers, 2009, 978-90-04-17336-1,www.brill.nl/default.aspx?partid=227&pid=24854,
• BOOK, Ranko, Matasović, Addenda et corrigenda to Ranko Matasović’s Etymological Dictionary of Proto-Celtic, Indo-European Etymological Dictionary, Leiden Indo-European Etymological Dictionary Series, 9, Brill Publishers, Brill Academic Publishers, 2011,mudrac.ffzg.hr/~rmatasov/EDPC-Addenda%20et%20corrigenda.pdf,
• BOOK, McCone, Kim, Towards a Relative Chronology of Ancient and Medieval Celtic Sound Change, Maynooth, Department of Old and Middle Irish, St Patrick’s College, Maynooth, St. Patrick’s College, 1996, 978-0-901519-40-5,
• BOOK, Pedersen, Holger, Vergleichende Grammatik der keltischen Sprachen, 2. Band, Bedeutungslehre (Wortlehre), Göttingen, Vandenhoeck & Ruprecht, 1913, 978-3-525-26119-4,
• JOURNAL, Peter Schrijver (linguist), Schrijver, Peter, The Celtic adverbs for ‘against’ and ‘with’ and the early apocope of -i, Ériu, 1994, 45, 151–89,
• BOOK, Peter Schrijver (linguist), Schrijver, Peter, Studies in British Celtic Historical Phonology, Amsterdam, Rodopi, 1995, 978-90-5183-820-6,
• BOOK, Peter, Schrijver, Proceedings of the XIV International Congress of Celtic Studies, Maynooth 2011, Pruners and trainers of the Celtic family tree: The rise and development of Celtic in light of language contact, 2015, Dublin, Dublin Institute for Advanced Studies, 191–219,
• BOOK, Thurneysen, Rudolf, A Grammar of Old Irish, Tr. D. A. Binchy and Osborn Bergin, Dublin, Dublin Institute for Advanced Studies, 1946, Rudolf Thurneysen,
• BOOK, Zair, Nicholas, The Reflexes of the Proto-Indo-European Laryngeals in Celtic, Leiden, Brill, 2012,

External links

{{Wiktionary category|type=Proto-Celtic language|category=Proto-Celtic language}}

• Leiden University has compiled www.indo-european.nl/cgi-bin/main.cgi?root=leiden" title="web.archive.org/web/20110711231504www.indo-european.nl/cgi-bin/main.cgi?root=leiden">etymological dictionaries of various IE languages, a project supervised by Alexander Lubotsky.

{{Celtic languages}}{{Celts}}{{Authority control}}