κατεξουσία
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)
ἡ,
A sovereignty, dominion, τῶννερτέρων θεῶν IG14.1047.5 ( = Tab.Defix.Aud.188): c.gen., power over, τοῦ βιοθανάτου πνεύματος PMag.Par.1.1949; also δὸς αὐτῷ τὴν κ. κατὰ τῶν ἐχθρῶν αὐτοῦ CIG4710 (Egypt).
German (Pape)
[Seite 1395] ἡ, verstärktes ἐξουσία, Sp.