ἀλλάσσειν
From LSJ
εἰς τὴν ἀγορὰν χειροτονεῖτε τοὺς ταξιάρχους καὶ τοὺς φυλάρχους, οὐκ ἐπὶ τὸν πόλεμον → you elect taxiarchs and phylarchs for the marketplace not for war
Greek > English (Woodhouse Verbs Reversed)
(see also ἀλλάσσω): change, exchange one thing for another