πλημμελεῖν
From LSJ
Φίλιππον ἐπιστῆσαι τοῖς πράγμασι τούτοις → let Philip have a hand in the business, surrender control to Philip
Greek > English (Woodhouse Verbs Reversed)
(see also πλημμελέω): misbehave, sin, be at fault, cause offence, do wrong, misconduct oneself, strike a jarring note