saṅkham dadhmau pratapavan
tasya-his; sanjanayan-increasing; harsam-cheerfulness; kuru-vrddhah-the grandsire of the Kuru dynasty (Bhisma); pitamahah-the grandfather; simha-nadam-roaring sound, like a lion; vinadya-vibrating; uccaih-very loudly; saṅkham-conchshell; dadhmau-blew; pratapavan-the valiant.