ψιμυθιόω
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)
A paint with white lead, τὸ πρόσωπον Plu.Alc.39:—Pass., τὸ πρόσωπον ἐψιμυθιῶσθαι Lys.1.14, cf. 17, Ath.12.528f: Achaean ψημυθιόω, abs. in Pass., ψημυθιοῦσθαι Schwyzer 429 (Dyme, post iii B. C.): pf. Pass. ἐψημυθιῶσθαι Phot.