εἷς

See also: Appendix:Variations of "εις"

Ancient Greek

Ancient Greek numbers ^(edit)

		10
		α’ 1	2  →	10  →
Cardinal: εἷς (heîs)     Ordinal: πρῶτος (prôtos)     Adverbial: ᾰ̔́πᾰξ (hắpăx)     Collective: μονᾰ́ς (monắs)

Alternative forms

• ἧς (hês) — Doric, Lesbian
• ἕεις (héeis) — Epic

Etymology

From Proto-Hellenic *hens, *hmia, from Proto-Indo-European *sḗm, *smih₂. Cognates include Sanskrit सकृत् (sakṛt) and Latin semper.

Pronunciation

 

• IPA^(key): /hêːs/ → /ˈis/ → /ˈis/

• (5^th BCE Attic) IPA^(key): /hêːs/
• (1^st CE Egyptian) IPA^(key): /ˈ(h)is/
• (4^th CE Koine) IPA^(key): /ˈis/
• (10^th CE Byzantine) IPA^(key): /ˈis/
• (15^th CE Constantinopolitan) IPA^(key): /ˈis/

Numeral

εἷς • (heîs) (ordinal πρῶτος, adverbial ᾰ̔́πᾰξ)

1. one

Declension

First and third declension of εἷς, μῐ́ᾰ, ἕν (Attic)

Number		Singular
Case/Gender		Masculine	Feminine	Neuter
Nominative		εἷς heîs	μῐ́ᾰ mĭ́ă	ἕν hén
Genitive		ἑνός henós	μῐᾶς mĭâs	ἑνός henós
Dative		ἑνῐ́ henĭ́	μῐᾷ mĭāî	ἑνῐ́ henĭ́
Accusative		ἕνᾰ hénă	μῐ́ᾰν mĭ́ăn	ἕν hén
Vocative		εἷς heîs	μῐ́ᾰ mĭ́ă	ἕν hén
Notes:		This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

First and third declension of εἷς, ῐ̓́ᾰ / ῐ̓́η, ἕν (Epic)

Number		Singular
Case/Gender		Masculine	Feminine	Neuter
Nominative		εἷς ἕεις heîs héeis	ῐ̓́ᾰ ῐ̓́η ĭ́ă ĭ́ē	ἕν hén
Genitive		ἑνός henós	ῐ̓ῆς ĭês	ἑνός henós
Dative		ἑνῐ́ henĭ́	ῐ̓ῇ ĭēî	ἑνῐ́ henĭ́
Accusative		ἕνᾰ hénă	ῐ̓́ᾰν ῐ̓́ην ĭ́ăn ĭ́ēn	ἕν hén
Vocative		εἷς ἕεις heîs héeis	ῐ̓́ᾰ ῐ̓́η ĭ́ă ĭ́ē	ἕν hén
Notes:		Dialects other than Attic are not well attested. Some forms may be based on conjecture. Use with caution.

First and third declension of εἷς, μῐ́ᾰ / μῐ́η, ἕν (Ionic)

Number		Singular
Case/Gender		Masculine	Feminine	Neuter
Nominative		εἷς heîs	μῐ́ᾰ μῐ́η mĭ́ă mĭ́ē	ἕν hén
Genitive		ἑνός henós	μῐῆς mĭês	ἑνός henós
Dative		ἑνῐ́ henĭ́	μῐῇ mĭēî	ἑνῐ́ henĭ́
Accusative		ἕνᾰ hénă	μῐ́ᾰν μῐ́ην mĭ́ăn mĭ́ēn	ἕν hén
Vocative		εἷς heîs	μῐ́ᾰ μῐ́η mĭ́ă mĭ́ē	ἕν hén
Notes:		Dialects other than Attic are not well attested. Some forms may be based on conjecture. Use with caution.

Derived terms

• δέκᾰ εἷς (dékă heîs)
• δεκᾰείς (dekăeís)
• εἷς κᾰθ’ εἷς (heîs kăth’ heîs)
• εἷς κᾰθεῖς (heîs kătheîs)
• ἑνόω (henóō)
• κᾰθ’ εἷς (kăth’ heîs)
• κᾰθεῖς (kătheîs)

Descendants

• Byzantine Greek: ἕνας (hénas)
  • Greek: ένας (énas), ένα (éna), μία (mía)
  • Mariupol Greek: э́на (éna), э́нас (énas)

See also

• οἶος (oîos)

Further reading

• “εἷς”, in Liddell & Scott (1940), A Greek–English Lexicon, Oxford: Clarendon Press
• “εἷς”, in Autenrieth, Georg (1891), A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• εἷς in Bailly, Anatole (1935), Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• Bauer, Walter et al. (2001), A Greek–English Lexicon of the New Testament and Other Early Christian Literature, Third edition, Chicago: University of Chicago Press
• εἷς in the Diccionario Griego–Español en línea (2006–2026)
• “εἷς”, in Slater, William J. (1969), Lexicon to Pindar, Berlin: Walter de Gruyter
• G1520 in Strong, James (1979), Strong’s Exhaustive Concordance to the Bible
• Woodhouse, S. C. (1910), English–Greek Dictionary: A Vocabulary of the Attic Language‎^[1], London: Routledge & Kegan Paul Limited.
  • isolated idem, page 461.
  • single-handed idem, page 779.
  • singly idem, page 779.
• εἷς, in ΛΟΓΕΙΟΝ [Logeion] Dictionaries for Ancient Greek and Latin (in English, French, Spanish, German, Dutch and Chinese), University of Chicago, since 2011