ἀποτυχής
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
ές,
A missing, Pl.Sis.391c (Comp.).
German (Pape)
[Seite 333] ές, im compar. τοῦ μὴ ὄντος, verfehlend, (Plat.) Sisyph. 391 d.