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{{distinguish| text= the Cyrillic letter Ò¼}}{{short description|5th letter of the Latin alphabet}}{{pp-semi-indef}}{{about|the letter|Euler’s number|e (mathematical constant)|other uses of the symbol e or E|E (disambiguation)}}{{pp-move-indef}}{{Technical reasons|E#|E sharp|E♯}}

factoids

]>[{{IPAlink[{{IPAlink[{{IPAlink[{{IPAlinki}}]ɘ}}]ʲ[{{IPAlink(English variationsEnglish variations20px|He)20px|Phoenician He)HeEpsilon>Ε ε ϵ|fam7=𐌄|usageperiod=c. 700 BC to present♯Ə>ÆŒ>€℮>Ǝ∈>ℯℇ}}â„°>â„¥|&}}ЕЭ>ЄЁ>Ó˜Òº>He (letter)>ƐԵ) (wikt:Õ¥(wikt:Ô·Õ§)Ô¸) (wikt:ըࠄ𐎅>Ⲉ}}|equivalents=English alphabet>ee, List of Latin-script digraphs#E, List of Latin-script trigraphs#E>e(x)(y)|direction=Left-to-Right|image=File:Latin_letter_E.svg}}{{Latin letter info|e}}E, or e, is the fifth letter and the second vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is e (pronounced {{IPAc-en|’|iː}}); plural es, Es or E’s.DICTIONARY, Oxford Dictionary of English, E, Oxford University Press, 9780199571123, 3rd, 2010, noun (plural Es or E’s), It is the most commonly used letter in many languages, including Czech, Danish, Dutch, English, French, German, Hungarian, Latin, Latvian, Norwegian, Spanish, and Swedish.WEB,www.bckelk.org.uk/words/etaoin.html, Letter frequencies, Kelk, Brian, 2022-02-02, 2008-05-09,www.bckelk.ukfsn.org/words/etaoin.html," title="web.archive.org/web/20080509055951www.bckelk.ukfsn.org/words/etaoin.html,">web.archive.org/web/20080509055951www.bckelk.ukfsn.org/words/etaoin.html, live, WEB,pages.central.edu/emp/LintonT/classes/spring01/cryptography/letterfreq.html, Relative Frequencies of Letters in General English Plain text, Lewand, Robert, Cryptographical Mathematics, Central College (Iowa), Central College, 2008-06-25, dead,pages.central.edu/emp/LintonT/classes/spring01/cryptography/letterfreq.html," title="web.archive.org/web/20080708193159pages.central.edu/emp/LintonT/classes/spring01/cryptography/letterfreq.html,">web.archive.org/web/20080708193159pages.central.edu/emp/LintonT/classes/spring01/cryptography/letterfreq.html, 2008-07-08, WEB,www.santacruzpl.org/readyref/files/g-l/ltfrqsp.shtml, Frequency of Occurrence of Letters in Spanish, Santa Cruz Public Libraries, 2008-06-25, dead,www.santacruzpl.org/readyref/files/g-l/ltfrqsp.shtml," title="web.archive.org/web/20080511220207www.santacruzpl.org/readyref/files/g-l/ltfrqsp.shtml,">web.archive.org/web/20080511220207www.santacruzpl.org/readyref/files/g-l/ltfrqsp.shtml, 2008-05-11, WEB,www.santacruzpl.org/readyref/files/g-l/ltfrqfr.shtml, Frequency of Occurrence of Letters in French, Santa Cruz Public Libraries, 2008-06-25, dead,www.santacruzpl.org/readyref/files/g-l/ltfrqfr.shtml," title="web.archive.org/web/20080312222737www.santacruzpl.org/readyref/files/g-l/ltfrqfr.shtml,">web.archive.org/web/20080312222737www.santacruzpl.org/readyref/files/g-l/ltfrqfr.shtml, 2008-03-12, WEB,scplweb.santacruzpl.org/readyref/files/g-l/ltfrqger.shtml, Frequency of Occurrence of Letters in German, Santa Cruz Public Libraries, 2008-06-25, dead,scplweb.santacruzpl.org/readyref/files/g-l/ltfrqger.shtml," title="archive.today/20120628214132scplweb.santacruzpl.org/readyref/files/g-l/ltfrqger.shtml,">archive.today/20120628214132scplweb.santacruzpl.org/readyref/files/g-l/ltfrqger.shtml, 2012-06-28, {{overcite|date=April 2024}}

Name

In English, the name of the letter is the “long E” sound, pronounced {{IPAc-en|’|iː}}. In most other languages, its name matches the letter’s pronunciation in open syllables.File:Pronunciation of the name of the letter ⟨e⟩ in European languages.png -

History{| class“wikitable”

bgcolor=“#EEEEEE“! Egyptian hieroglyphqʼ!Proto-Sinaitic!Proto-Canaanite hillul! PhoenicianHe! Western Greek A28missing image!
- Proto-semiticE-01.svg>40x40px40x40px)40x40px)55px)40px)x30px|Latin E)The Latin letter ‘E’ differs little from its source, the Greek letter epsilon, ‘Ε’. This in turn comes from the Semitic letter hê, which has been suggested to have started as a praying or calling human figure (hillul ‘jubilation’), and was most likely based on a similar Egyptian hieroglyph that indicated a different pronunciation. In Semitic, the letter represented {{IPA|/h/}} (and {{IPA|/e/}} in foreign words); in Greek, hê became the letter epsilon, used to represent {{IPA|/e/}}. The various forms of the Old Italic script and the Latin alphabet followed this usage.e}} by language“>

Use in writing systems{| class“wikitable mw-collapsible”e}} by language

! Orthography! Phonemes! {{nwr|Standard Chinese}} (Pinyin)ə}}! Englishɛ}}, {{IPAslinkə}}, {{IPAslink/ɪə/}}! Frenchə}}, {{IPAslinke}}! Germanɛ}}, {{IPAslinke}}! Portuguese e}}, {{IPAslinki}}, {{IPAslinkj}}, {{IPAslink/ɐi/}}! Spanishe}}! Turkishe}}

English

Although Middle English spelling used {{angbr|e}} to represent long and short {{IPAslink|e}}, the Great Vowel Shift changed long {{IPA|/eː/}} (as in me or bee) to {{IPA|/iː/}} while short {{IPAslink|ɛ}} (as in met or bed) remained a mid vowel. In unstressed syllables, this letter is usually pronounced either as {{IPAslink|ɪ}} or {{IPAslink|ə}}. In other cases, the letter is silent, generally at the end of words like queue.

Other languages

In the orthography of many languages it represents either {{IPAblink|e}}, {{IPAblink|e̞}}, {{IPAblink|ɛ}}, or some variation (such as a nasalized version) of these sounds, often with diacritics (as: {{angbr|e ê é è ë ē ĕ ě ẽ ė ẹ ę ẻ}}) to indicate contrasts. Less commonly, as in French, German, or Saanich, {{angbr|e}} represents a mid-central vowel {{IPA|/ə/}}. Digraphs with {{angbr|e}} are common to indicate either diphthongs or monophthongs, such as {{angbr|ea}} or {{angbr|ee}} for {{IPA|/iː/}} or {{IPA|/eɪ/}} in English, {{angbr|ei}} for {{IPA|/aɪ/}} in German, and {{angbr|eu}} for {{IPA|/ø/}} in French or {{IPA|/ɔɪ/}} in German.

Other systems

The International Phonetic Alphabet uses {{angbr IPA|e}} for the close-mid front unrounded vowel or the mid front unrounded vowel.

Frequency

’E’ is the most common (or highest-frequency) letter in the English language alphabet and several other European languages,JOURNAL, Grigas, Gintautas, JuÅ¡kevičienÄ—, Anita, 2018-03-26, Letter Frequency Analysis of Languages Using Latin Alphabet,j.ideasspread.org/index.php/ilr/article/view/14, International Linguistics Research, en, 1, 1, 18, 10.30560/ilr.v1n1p18, 2576-2982, free, which has implications in both cryptography and data compression. In the story “The Gold-Bug” by Edgar Allan Poe, a character figures out a random character code by remembering that the most used letter in English is E. This makes it a hard and popular letter to use when writing lipograms. Ernest Vincent Wright’s Gadsby (1939) is considered a “dreadful” novel, and supposedly “at least part of Wright’s narrative issues were caused by language limitations imposed by the lack of E.“Ross Eckler, Making the Alphabet Dance: Recreational Word Play. New York: St. Martin’s Press (1996): 3 Both Georges Perec’s novel A Void (La Disparition) (1969) and its English translation by Gilbert Adair omit ‘e’ and are considered better works.Eckler (1996): 3. Perec’s novel “was so well written that at least some reviewers never realized the existence of a letter constraint.“{{clear}}

Other uses

Avogadro’s number in e notation.jpg -

• In the hexadecimal (base 16) numbering system, “E” corresponds to the number 14 in decimal (base 10) counting.
• “e” is also commonly used to denote Euler’s number.

Related characters

Descendants and related characters in the Latin alphabet

• E with diacritics: Ä” Ä• Ḝ ḝ Ȇ ȇ Ê ê Ê̄ ê̄ Ê̌ ê̌ Ề ề Ế ế Ể ể Ễ á»… Ệ ệ Ẻ ẻ Ḙ ḙ Äš Ä› Ɇ ɇ Ä– Ä— Ė́ ė́ Ė̃ ė̃ Ẹ ẹ Ë ë È è È̩ è̩ È„ È… É é É̩ Ä’ Ä“ Ḕ ḕ Ḗ ḗ Ẽ ẽ Ḛ ḛ Ę Ä™ Ę́ ę́ Ę̃ ę̃ Ȩ È© EÌ© eÌ© ᶒWEB,www.unicode.org/L2/L2004/04132-n2740-phonetic.pdf, L2/04-132 Proposal to add additional phonetic characters to the UCS, 2004-04-19, Peter, Constable, 2018-03-24, 2017-10-11,www.unicode.org/L2/L2004/04132-n2740-phonetic.pdf," title="web.archive.org/web/20171011014355www.unicode.org/L2/L2004/04132-n2740-phonetic.pdf,">web.archive.org/web/20171011014355www.unicode.org/L2/L2004/04132-n2740-phonetic.pdf, live,
• ⱸ : E with notch is used in the Swedish Dialect AlphabetWEB,www.unicode.org/L2/L2006/06036-lma-proposal.pdf, L2/06-036: Proposal to encode characters for Ordbok över Finlands svenska folkmÃ¥l in the UCS, 2006-01-26, Therese, Lemonen, Klaas, Ruppel, Erkki I., Kolehmainen, Caroline, Sandström, 2018-03-24, 2017-07-06,www.unicode.org/L2/L2006/06036-lma-proposal.pdf," title="web.archive.org/web/20170706090306www.unicode.org/L2/L2006/06036-lma-proposal.pdf,">web.archive.org/web/20170706090306www.unicode.org/L2/L2006/06036-lma-proposal.pdf, live,
• Æ æ : Latin AE ligature
• Å’ Å“ : Latin OE ligature
• The umlaut diacritic ¨ used above a vowel letter in German and other languages to indicate a fronted or front vowel (this sign originated as a superscript e)
• Phonetic alphabet symbols related to E (the International Phonetic Alphabet only uses lowercase, but uppercase forms are used in some other writing systems):
  • Ɛ É› : Latin letter epsilon / open e, which represents an open-mid front unrounded vowel in the IPA
  • ᶓ : Epsilon / open e with retroflex hook
  • êž« Éœ : Latin letter reversed epsilon / open e, which represents an open-mid central unrounded vowel in the IPA
  • ɝ : Latin small letter reversed epsilon / open e with hook, which represents a rhotacized open-mid central vowel in the IPA
  • ᶔ : Reversed epsilon / open e with retroflex hook
  • ᶟ : Modifier letter small reversed epsilon / open e
  • Éž : Latin small letter closed reversed open e, which represents an open-mid central rounded vowel in IPA (shown as Êš on the 1993 IPA chart)
  • 𐞏 : Modifier letter small closed reversed open e, which is a superscript IPA letter
  • Ə É™ : Latin letter schwa, which represents a mid central vowel in the IPA
  • ÆŽ ǝ : Latin letter turned e, which is used in the writing systems of some African languages
  • ɘ : Latin letter reversed e, which represents a close-mid central unrounded vowel in the IPA
  • 𐞎 : Modifier letter small reversed e, which is a superscript IPA letterWEB, L2/20-252R: Unicode request for IPA modifier-letters (a), pulmonic,www.unicode.org/L2/L2020/20252r-mod-ipa-a.pdf,web.archive.org/web/20210730010133/https://www.unicode.org/L2/L2020/20252r-mod-ipa-a.pdf, 2021-07-30, live, 2020-11-08, Kirk, Miller, Michael, Ashby,
• The Uralic Phonetic Alphabet uses various forms of e and epsilon / open e:WEB,www.unicode.org/L2/L2002/02141-n2419-uralic-phonetic.pdf, L2/02-141: Uralic Phonetic Alphabet characters for the UCS, 2002-03-20, Michael, Everson, Michael Everson, etal, 2018-03-24, 2018-02-19,www.unicode.org/L2/L2002/02141-n2419-uralic-phonetic.pdf," title="web.archive.org/web/20180219081033www.unicode.org/L2/L2002/02141-n2419-uralic-phonetic.pdf,">web.archive.org/web/20180219081033www.unicode.org/L2/L2002/02141-n2419-uralic-phonetic.pdf, live,
  • {{Unichar|1D07|LATIN LETTER SMALL CAPITAL E}}
  • {{Unichar|1D08|LATIN SMALL LETTER TURNED OPEN E}}
  • {{Unichar|1D31|MODIFIER LETTER CAPITAL E}}
  • {{Unichar|1D32|MODIFIER LETTER CAPITAL REVERSED E}}
  • {{Unichar|1D49|MODIFIER LETTER SMALL E}}
  • {{Unichar|1D4B|MODIFIER LETTER SMALL OPEN E}}
  • {{Unichar|1D4C|MODIFIER LETTER SMALL TURNED OPEN E}}
  • {{Unichar|2C7B|LATIN LETTER SMALL CAPITAL TURNED E}}WEB,www.unicode.org/L2/L2006/06215-n3070.pdf, L2/06-215: Proposal for Encoding 3 Additional Characters of the Uralic Phonetic Alphabet, 2006-04-07, Klaas, Ruppel, Jack, Rueter, Erkki I., Kolehmainen, 2018-03-24, 2017-07-06,www.unicode.org/L2/L2006/06215-n3070.pdf," title="web.archive.org/web/20170706090340www.unicode.org/L2/L2006/06215-n3070.pdf,">web.archive.org/web/20170706090340www.unicode.org/L2/L2006/06215-n3070.pdf, live,
• e : Subscript small e is used in Indo-European studiesWEB,www.unicode.org/L2/L2004/04191-n2788-laryngeals.pdf, L2/04-191: Proposal to encode six Indo-Europeanist phonetic characters in the UCS, 2004-06-07, Deborah, Anderson, Michael, Everson, 2018-03-24, 2017-10-11,www.unicode.org/L2/L2004/04191-n2788-laryngeals.pdf," title="web.archive.org/web/20171011014402www.unicode.org/L2/L2004/04191-n2788-laryngeals.pdf,">web.archive.org/web/20171011014402www.unicode.org/L2/L2004/04191-n2788-laryngeals.pdf, live,
• Teuthonista phonetic transcription system symbols related to E:WEB,www.unicode.org/L2/L2011/11202-n4081-teuthonista.pdf, L2/11-202: Revised proposal to encode “Teuthonista” phonetic characters in the UCS, 2011-06-02, Michael, Everson, Alois, Dicklberger, Karl, Pentzlin, Eveline, Wandl-Vogt, 2018-03-24, 2017-10-11,www.unicode.org/L2/L2011/11202-n4081-teuthonista.pdf," title="web.archive.org/web/20171011012426www.unicode.org/L2/L2011/11202-n4081-teuthonista.pdf,">web.archive.org/web/20171011012426www.unicode.org/L2/L2011/11202-n4081-teuthonista.pdf, live,
  • {{Unichar|AB32|LATIN SMALL LETTER BLACKLETTER E}}
  • {{Unichar|AB33|LATIN SMALL LETTER BARRED E}}
  • {{Unichar|AB34|LATIN SMALL LETTER E WITH FLOURISH}}

Ancestors and siblings in other alphabets

• 𐤄 : Semitic letter He (letter), from which the following symbols originally derive
  • Ε ε : Greek letter Epsilon, from which the following symbols originally derive
    • Е е : Cyrillic letter Ye
    • Є Ñ” : Ukrainian Ye
    • Э э : Cyrillic letter E
    • {{Script|Copt|Ⲉ ⲉ}} : Coptic letter Ei
    • 𐌄 : Old Italic E, which is the ancestor of modern Latin E

• {{Script|Goth|𐌴}} : Gothic letter eyz

Derived signs, symbols and abbreviations

• € : Euro sign.
• â„® : Estimated sign (used on prepackaged goods for sale within the European Union).
• e : the symbol for the elementary charge (the electric charge carried by a single proton)
• ∃ : existential quantifier in predicate logic. It is read “there exists ... such that”.
• ∈ : the symbol for set membership in set theory.
• 𝑒 : the base of the natural logarithm.

Other representations

Computing

Other

See also

• “E notation” is used by scientific calculators to indicate a power of ten multiplier.
• {{anli|E-number}}

References

External links

• {{Commons-inline|E}}
• {{Wiktionary-inline|E}}
• {{Wiktionary-inline|e}}