δύο

δύο

See also: δυο

Ancient Greek

Ancient Greek numbers ^(edit)

	20
←  1	βʹ 2	3  →
Cardinal: δῠ́ο (dúo)     Ordinal: δεύτερος (deúteros)     Adverbial: δίς (dís)     Collective: δῠᾰ́ς (duás)

Alternative forms

• δύ’ (dú’) – apocopic
• δύω (dúō) – Epic

Etymology

From Proto-Hellenic *dúwō, from Proto-Indo-European *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 dúo	δῠ́ο dúo
Genitive	δῠοῖν / δῠεῖν duoîn / dueîn	δῠῶν duôn
Dative	δῠοῖν / δῠεῖν duoîn / dueîn	δῠσῐ́ / δῠσῐ́ν / δῠοῖσῐ dusí(n) / duoîsi
Accusative	δῠ́ο dúo	δῠ́ο dúo
Vocative	δῠ́ο dúo	δῠ́ο dúo
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension. * The genitive and dative dual δῠεῖν (dueîn) is found mainly in later Attic (especially in the feminine).

Various dialects inflected δύο differently. This merely represents a sampling of various inflections. Inflection is normally more redundant than shown here.

Note: δύο sometimes is undeclined.

Derived terms

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

Descendants

• Greek: δύο (dýo, “two”)

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 (2006–2023)
• “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 *dúwō, 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

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 - Λεξικό της κοινής νεοελληνικής [Dictionary of Standard Modern Greek], 1998, by the "Triantafyllidis" Foundation.