Bhagavad Gita 1.12

तस्य संजनयन्हर्षं कुरुवृद्धः पितामहः।सिंहनादं विनद्योच्चैः शङ्खं दध्मौ प्रतापवान् ॥१.१२॥

tasya saṃjanayanharṣaṃ kuruvṛddhaḥ pitāmahaḥsiṃhanādaṃ vinadyoccaiḥ śaṅkhaṃ dadhmau pratāpavān

His glorious grandsire, the oldest of the Kauravas, roared like a lion to cheer Duryodhana and blew his conch.

गीता