saḥ - Dhruva Mahārāja; tān - all of them; āpatataḥ - falling upon him; vīraḥ - hero; ugra-dhanvā - powerful bowman; mahā-rathaḥ - who could fight with many chariots; eka-ekam - one after another; yugapat - simultaneously; sarvān - all of them; ahan - killed; bāṇaiḥ - by arrows; tribhiḥ tribhiḥ - by threes.

Dhruva Mahārāja, who was a great charioteer and certainly a great bowman also, immediately began to kill them by simultaneously discharging arrows three at a time.