συνδεῖσθαι

From LSJ

τίς ἐς σὸν κρᾶτ' ἐπύκτευσεν → who hit you with the fist on the head, who has been pummeling your head

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: συνδέομαι, συνδῶ, συνδέω) join in entreating, join in asking