κεντεῖν

From LSJ

ἀπὸ τῶν ὀφθαλμῶν ὑδρορρόαι δύο ῥέουσιν μέλανος → two streams of black run from the eyes

Source

Greek > English (Woodhouse Verbs Reversed)

(see also κεντέω): prick, stab, sting