śaṅkham - His conchshell; dadhmau - blew; vinirgatya - upon going out; hariḥ - Lord Kṛṣṇa; dāruka-sārathiḥ - whose chariot driver was Dāruka; tataḥ - thereupon; abhūt - arose; para - of the enemy; sainyānām - among the soldiers; hṛdi - in their hearts; vitrāsa - in terror; vepathuḥ - trembling.

As Lord Kṛṣṇa came out of the city with Dāruka at the reins of His chariot, He blew His conchshell, and the enemy soldiers’ hearts began to tremble with fear.