why
From LSJ
τίς ἐς σὸν κρᾶτ' ἐπύκτευσεν → who hit you with the fist on the head, who has been pummeling your head
English > Greek (Woodhouse)
adverb
Interrogative: P. and V. τί, τοῦ χάριν (Dem. 490). P. διὰ τί, τοῦ ἕνεκα (Dem. 1104), ἀντὶ τίνος (Plato, Lysis 208E), V. πρὸς τί, ἀντὶ τοῦ, εἰς τί, τί χρῆμα, τίνος ἕκατι, ἐκ τοῦ (Eur., Electra 246), τίνος χάριν.
for what purpose: P. and V. ἐπὶ τῷ (Soph., Ajax 797).