tasya sañjanayan harṣhaṁ kuru-vṛiddhaḥ pitāmahaḥ
siṁha-nādaṁ vinadyochchaiḥ śhaṅkhaṁ dadhmau pratāpavān||12||

Meaning : Then the mighty elder of the Kuru clan, Bhishma, roared like a lion and blew his conch with thunderous force, instilling confidence in Duryodhana.