ἐκπτοέομαι
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
Russian (Dvoretsky)
ἐκπτοέομαι: поражаться, быть ошеломленным или смущаться Eur., Polyb.