ὤν

See also: -ων, -ῶν, and -ών

Ancient Greek

From Proto-Hellenic *ehonts, from Proto-Indo-European *h₁sónts, present participle of *h₁es- (“to be”). Cognate with Latin sōns (“guilty”), Sanskrit सत् (sát, “being, essence, reality”), Albanian gjë (“thing”), English sooth (“true, a fact”).

ὤν • (ṓn)

First and third declension of ὤν, οὖσᾰ, ὄν

Number	Singular			Dual			Plural
Case/Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Nominative	ὤν ṓn	οὖσᾰ oûsă	ὄν ón	ὄντε ónte	οὔσᾱ oúsā	ὄντε ónte	ὄντες óntes	οὖσαι oûsai	ὄντᾰ óntă
Genitive	ὄντος óntos	οὔσης oúsēs	ὄντος óntos	ὄντοιν óntoin	οὔσαιν oúsain	ὄντοιν óntoin	ὄντων óntōn	οὐσῶν ousôn	ὄντων óntōn
Dative	ὄντῐ óntĭ	οὔσῃ oúsēi	ὄντῐ óntĭ	ὄντοιν óntoin	οὔσαιν oúsain	ὄντοιν óntoin	οὖσῐ / οὖσῐν oûsĭ(n)	οὔσαις oúsais	οὖσῐ / οὖσῐν oûsĭ(n)
Accusative	ὄντᾰ óntă	οὖσᾰν oûsăn	ὄν ón	ὄντε ónte	οὔσᾱ oúsā	ὄντε ónte	ὄντᾰς óntăs	οὔσᾱς oúsās	ὄντᾰ óntă
Vocative	ὤν ṓn	οὖσᾰ oûsă	ὄν ón	ὄντε ónte	οὔσᾱ oúsā	ὄντε ónte	ὄντες óntes	οὖσαι oûsai	ὄντᾰ óntă
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

ὤν in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
G5607 in Strong, James (1979) Strong’s Exhaustive Concordance to the Bible
Smyth, Herbert Weir (1920) “Part II: Inflection”, in A Greek grammar for colleges, Cambridge: American Book Company, § 305: table of declined forms