κακέμφατος
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)
ον,
A ill-sounding, κακέμφατόν ἐστι τὸ ὑπεξαίρεσις" Demetr.Lac.Herc. 1012.23; esp. of words used in a vulgar or equivocal sense, Quint.8.3.44, Sch.Luc.Lex.21; τὸ κ. Sch.Ar.Ach.258, al. Adv. -τως Sch.Ar. Ra.48,426, etc. II = ἄδοξος, Hsch.