ἐκφυλάσσειν

From LSJ

τί νυ τόξον ἔχεις ἀνεμώλιον αὔτως → why bear your bow in vain, why bear thy bow in vain

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐκφυλάσσω, ἐκφυλάττω) guard, preserve, protect