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ἅλιον

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)

adv.
vainement.
Étymologie: neutre de ἅλιος².

Russian (Dvoretsky)

ἅλιον: (ᾰ) adv. напрасно, бесполезно, тщетно, попусту Hom., Soph.