versed in
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)
adjective
P. and V. ἔμπειρος (gen.), ἐπιστήμων (gen.), ἐντριβής (dat.), Ar. and V. τρίβων (acc. or gen.), V. ἴδρις (gen.).
versed in speaking: P. and V. δεινὸς λέγειν, V. μουσικὸς λέγειν.
I am not versed in the customs of Greece: V. λέλειμμαι τῶν ἐν Ἕλλησιν νόμων (Euripides, Helen 1246).