ἐξαρνεῖσθαι

From LSJ

τίνας ἀπέκτεινας, ὦ ἀφρονεστάτη θύγατερ; → You are completely out of your mind, daughter! Who are those you have killed?

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἐξαρνέομαι): deny, repudiate a debt