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ὤρεσσι

Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη -> The first and best victory is to conquer self.
Plato, Laws 626e

French (Bailly abrégé)

v. ὄαρ.

Russian (Dvoretsky)

ὤρεσσι: dat. pl. к ὦρ (= ὄαρ).