vaisyas tad-udbhavo vartam
visah-means of living by production and distribution; avartanta-generated; tasya-His (the gigantic form's); urvoh-from the thighs; loka-vrttikarih-means of livelihood; vibhoh-of the Lord; vaisyah-the mercantile community; tat-their; udbhavah-orientation; vartam-means of living; nrnam-of all men; yah-one who; samavartayat-executed.