[20] Ἰδαῖος: here served as charioteer.
ἀπόρουσε: sprang down. This is explained in the second half-verse. cf. “ἀνόρουσεν . . . λιπὼν ἕδος Ι” 193 f. — cf. ‘And the Lord discomfited Sisera, and all his chariots, and all his host, . . . so that Sisera lighted down off his chariot, and fled away on his feet,’ Judges iv. 15.