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Definition 2025

Ἀχαιός • ‎(Akhaiós) m ‎(feminine Ἀχαιά, neuter Ἀχαιόν); first/second declension

First and second declension of Ἀχαιός, Ἀχαιᾱ́, Ἀχαιόν

Number	Singular			Dual			Plural
Case / Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Nominative	Ἀχαιός	Ἀχαιᾱ́	Ἀχαιόν	Ἀχαιώ	Ἀχαιᾱ́	Ἀχαιώ	Ἀχαιοί	Ἀχαιαί	Ἀχαιᾰ́
Genitive	Ἀχαιοῦ	Ἀχαιᾶς	Ἀχαιοῦ	Ἀχαιοῖν	Ἀχαιαῖν	Ἀχαιοῖν	Ἀχαιῶν	Ἀχαιῶν	Ἀχαιῶν
Dative	Ἀχαιῷ	Ἀχαιᾷ	Ἀχαιῷ	Ἀχαιοῖν	Ἀχαιαῖν	Ἀχαιοῖν	Ἀχαιοῖς	Ἀχαιαῖς	Ἀχαιοῖς
Accusative	Ἀχαιόν	Ἀχαιᾱ́ν	Ἀχαιόν	Ἀχαιώ	Ἀχαιᾱ́	Ἀχαιώ	Ἀχαιούς	Ἀχαιᾱ́ς	Ἀχαιᾰ́
Vocative	Ἀχαιέ	Ἀχαιᾱ́	Ἀχαιόν	Ἀχαιώ	Ἀχαιᾱ́	Ἀχαιώ	Ἀχαιοί	Ἀχαιαί	Ἀχαιᾰ́

Ἀχαιός • ‎(Akhaiós) m ‎(genitive Ἀχαιοῦ); second declension

Second declension of Ἀχαιός, Ἀχαιοῦ

Case / #	Singular	Dual	Plural
Nominative	ὁ Ἀχαιός	τὼ Ἀχαιώ	οἱ Ἀχαιοί
Genitive	τοῦ Ἀχαιοῦ	τοῖν Ἀχαιοῖν	τῶν Ἀχαιῶν
Dative	τῷ Ἀχαιῷ	τοῖν Ἀχαιοῖν	τοῖς Ἀχαιοῖς
Accusative	τὸν Ἀχαιόν	τὼ Ἀχαιώ	τοὺς Ἀχαιούς
Vocative	Ἀχαιέ	Ἀχαιώ	Ἀχαιοί

Dialectal forms:
Notes:

Ἀχαιός in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
Ἀχαιός in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
Ἀχαιός in Slater, William J. (1969) Lexicon to Pindar, Berlin: Walter de Gruyter
Woodhouse, S. C. (1910) English-Greek Dictionary: A Vocabulary of the Attic Language, London: Routledge & Kegan Paul Limited, page 999