ἐπεμβαίνειν
From LSJ
Θυμῷ χαρίζου μηδέν, ἄνπερ νοῦν ἔχῃς → Si mens est tibi, ne cedas iracundiae → Dem Zorn sei nicht zu Willen, bist du bei Verstand
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπεμβαίνω): climb, scale, go on board, set foot on, step upon, trample on