ἀνταπόλλυσθαι

From LSJ

βάκτρῳ δ' ἐρείδου περιφερῆ στίβον χθονός → support with a staff your steps that waver on the ground

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀνταπόλλυμι): die in return