πέφαται

From LSJ

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

Source

Russian (Dvoretsky)

πέφαται: 3 л. sing. pf. pass. к * πεφνεῖν.

Dutch (Woordenboekgrieks.nl)

πέφαται indic. perf. med.-pass. 3 sing. van φαίνω.
πέφαται indic. perf. med.-pass. 3 sing. van θείνω.