tat tasya cadbhutam karma
namadheyam dadus tasmai
vijitasva iti prabho
tat—that; tasya—his; ca—also; adbhutam—wonderful; karma—activity; vicaksya—after observing; parama-rsayah—the great sages; namadheyam—the name; daduh—they offered; tasmai—to him; vijita-asvah—Vijitasva (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 Prthu, they all agreed to give him the name Vijitasva.
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