προϊάπτω
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)
[ῐ],
A send forth, hurl away to the nether world, ψυχὰς Ἄϊδι προΐαψεν Il.1.3, cf. 6.487; Ἀϊδωνῆϊ 5.190; also, πόλιν . . Ἀΐδᾳ προϊάψαι A.Th. 322 (lyr.). II Pass., project, Nic. Th.723.