ο
Lemma: ὁ
definite article
definite article
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Added Feb 02, 2026
Definition
The masculine singular definite article in Ancient Greek, used before masculine nouns to mean “the”; it agrees with the noun in gender, number, and case.
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Grammatical Analysis
"ο"
Type: definite article
Case: nominative
Number: singular
Gender: masculine
Related Forms of ὁ
20 forms discoveredOther inflected forms of this word that have been analyzed:
τόν
accusative, singular, masculine
τους
accusative, plural, masculine
τοῖς
dative, plural, masculine or neuter
τη
dative, singular, feminine
τὸν
accusative, singular, masculine
τον
accusative, singular, masculine
τῳ
dative, singular, masculine or neuter
tò
nominative or accusative, singular, neuter
τό
nominative or accusative, singular, neuter
τῆς
genitive, singular, feminine
τό
nominative, singular, neuter
Τον
accusative, singular, masculine
ὁ
nominative, singular, masculine
τοῦ
genitive, singular, masculine or neuter
τῷ
dative, singular, masculine/neuter
tous
accusative, plural, masculine
τοὺς
accusative, plural, masculine
Τών
genitive, plural, all (masculine, feminine, neuter...
οι
nominative, plural, masculine
τὰς
accusative, plural, feminine