Φίλιππον ἐπιστῆσαι τοῖς πράγμασι τούτοις → let Philip have a hand in the business, surrender control to Philip
injurius injuria, injurium ADJ :: unjust, harsh
injūrĭus,¹⁴ a, um (in, jus), injuste, inique : Pl. Aul. 691 ; Ter. Haut. 320 ; Cic. Off. 3, 89.