tat - that; tasya - his; ca - also; adbhutam - wonderful; karma - activity; vicakṣya - after observing; parama-ṛṣayaḥ - the great sages; nāmadheyam - the name; daduḥ - they offered; tasmai - to him; vijita-aśvaḥ - Vijitāśva (he who has won the horse); iti - thus; prabho - my dear Lord Vidura.

My dear Lord Vidura, when the great sages observed the wonderful prowess of the son of King Pṛthu, they all agreed to give him the name Vijitāśva.