ahan banais tribhis tribhih
sah-Dhruva Maharaja; tan-all of them; apatatah-falling upon him; virah-hero; ugra-dhanva-powerful bowman; maha-rathah-who could fight with many chariots; eka-ekam-one after another; yugapat-simultaneously; sarvan-all of them; ahan-killed; banaih-by arrows; tribhih tribhih-by threes.