dissuade
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English > Greek (Woodhouse)
v. trans.
deter: Ar. and P. ἀποτρέπειν, P. and V. ἀποστρέφειν, V. ἀντισπᾶν (Aesch., P.V. 337); see divert, deter.
persuade not to: P. and V. πείθειν τινὰ μή (infin.) or ὥστε μή (infin.).