δύο

See also: δυο

Ancient Greek

Ancient Greek numbers ^(edit)

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Cardinal: δῠ́ο (dŭ́o)     Ordinal: δεύτερος (deúteros)     Adverbial: δίς (dís)     Collective: δῠᾰ́ς (dŭắs)

Alternative forms

• δύ’ (dú’) — apocopic
• δύω (dúō) — Epic
• δύε (dúe) — Laconian, Vocative
• διούο (dioúo) — Boeotian

Etymology

From Proto-Hellenic *dúwo, from Proto-Indo-European *duwó, a variant of *dwóh₁. Cognates include Sanskrit द्व (dvá), Old Armenian երկու (erku), Latin duo, and Old English twā (English two).

Pronunciation

 

• IPA^(key): /dý.o/ → /ˈðy.o/ → /ˈði.o/

• (5^th BCE Attic) IPA^(key): /dý.o/
• (1^st CE Egyptian) IPA^(key): /ˈdy.o/
• (4^th CE Koine) IPA^(key): /ˈðy.o/
• (10^th CE Byzantine) IPA^(key): /ˈðy.o/
• (15^th CE Constantinopolitan) IPA^(key): /ˈði.o/

Numeral

δύο • (dúo) (ordinal δεύτερος, adverbial δίς)

1. two

Inflection

Irregular declension of δῠ́ο; δῠοῖν (Attic)

Case / #	Dual	Plural
Nominative	δῠ́ο dŭ́o	δῠ́ο dŭ́o
Genitive	δῠοῖν / δῠεῖν dŭoîn / dŭeîn	δῠῶν dŭôn
Dative	δῠοῖν / δῠεῖν dŭoîn / dŭeîn	δῠσῐ́ / δῠσῐ́ν / δῠοῖσῐ dŭsĭ́(n) / dŭoîsĭ
Accusative	δῠ́ο dŭ́o	δῠ́ο dŭ́o
Vocative	δῠ́ο dŭ́o	δῠ́ο dŭ́o
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension. * The genitive and dative dual δῠεῖν (dŭeîn) is found mainly in later Attic (especially in the feminine).

Various dialects inflected δύο (dúo) differently, and it was sometimes undeclined; this merely represents a sampling of various inflections. Inflection is normally more redundant than shown here.

Derived terms

• δυοκαίδεκα (duokaídeka)
• δώδεκα (dṓdeka)
• δῐ́ς (dĭ́s)
• δι- (di-)

Descendants

• Greek: δύο (dýo, “two”)
• Mariupol Greek: дъы́я (ðýja)
• Tsakonian: δύου (dýou), δύ’ (dý’) (Southern dialect)
• Tsakonian: ντύο (ntýo), ντυό (ntyó), ντό (ntó) (Propontis dialect)

References

• “δύο”, in Liddell & Scott (1940), A Greek–English Lexicon, Oxford: Clarendon Press
• “δύο”, in Liddell & Scott (1889), An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• “δύο”, in Autenrieth, Georg (1891), A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• δύο 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
• δύο in Cunliffe, Richard J. (1924), A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
• δύο in the Diccionario Griego–Español en línea (2006–2025)
• “δύο”, in Slater, William J. (1969), Lexicon to Pindar, Berlin: Walter de Gruyter
• G1417 in Strong, James (1979), Strong’s Exhaustive Concordance to the Bible
• Woodhouse, S. C. (1910), English–Greek Dictionary: A Vocabulary of the Attic Language‎, London: Routledge & Kegan Paul Limited.
  • two idem, page 904.

Greek

Greek cardinal numbers

<  α΄	β΄	γ΄  >
Cardinal : δύο (dýo)     Ordinal : δεύτερος (défteros)

Alternative forms

• δυο (dyo)

Etymology

From Ancient Greek δύο (dúo), from Proto-Hellenic *dúwo, from Proto-Indo-European *duwó, *duwéh₃ (*dwóh₁).

Compare Mariupol Greek дъы́я (ðýja), дъи́я (ðíja).

Pronunciation

• IPA^(key): /ˈði.o/

• Audio:

  (file)

• Hyphenation: δύ‧ο
• Homophone: δύω (dýo)

Numeral

δύο • (dýo) (invariable)

1. two

Examples

Έχω ανάγκη δύο καφέδες για να ξυπνήσω.

Écho anágki dýo kafédes gia na xypníso.

I need two coffees to wake me up.

Usage notes

The stressed form is used to reinforce the number (compare with δυο (dyo)).

δύο μπίρες, όχι μία.

dýo bíres, óchi mía.

two beers, not one.

Coordinate terms

• Greek number and measurement

Derived terms

• δυόμισι (dyómisi, “half past two, two and a half”)

Related terms

• δυαδικός (dyadikós)

Noun

δύο • (dýo) n (indeclinable)

1. two (playing card)

Further reading

• δύο, in Λεξικό της κοινής νεοελληνικής [Dictionary of Standard Modern Greek], Triantafyllidis Foundation, 1998 at the Centre for the Greek language