ἐπεκδιδάσκω
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 teach or explain besides, τι Pl.Prt.328e; ὡς . . Id.Euthphr.7a; ὅπως . . Plu.Sol.25; ὁ -διδάσκων λόγος Plb.15.35.7:—Pass., Gal.Libr.Propr. 1.
German (Pape)
[Seite 913] (s. διδάσκω), noch dazu, ferner belehren; Plat. Euthyphr. 7 a Prot. 328 e; ὁ ἐπεκδιδάσκων λόγος Pol. 15, 35, 7; ὅπως Plut. Sol. 25.