πιάξας

From LSJ

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

Source

Russian (Dvoretsky)

πιάξας: дор. part. aor. к πιέζω.