ἀπαθῶς
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.
French (Bailly abrégé)
adv.
avec indifférence.
Étymologie: ἀπαθής.
Russian (Dvoretsky)
ἀπαθῶς: бесстрастно, безразлично, равнодушно (ἀ. καὶ ἀναισθήτως ἔχειν πρός τι Plut.).