ἐπιψύχω
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)
[ῡ],
A cool, A.R.2.525, Ph.2.345, Plu.Sert.8. II Pass., take a chill afterwards, Hp.Mul.1.54 ; but ἐπιψυγῆναι to be cooled still more, Gal.11.567.
German (Pape)
[Seite 1006] abkühlen, γαῖαν ἐπιψύχουσιν ἐτήσιοι Ap. Rh. 2, 525; Plut. Sertor. 8; Philo.