sa vai tvastra-vadho bhuyan
atha-therefore; ijyamane-when worshiped; puruse-the Supreme Personality of Godhead; sarva-all; deva-maya-atmani-the Supersoul and maintainer of the demigods; asvamedhe-through the asvamedha-yajna; maha-indrena-by King Indra; vitate-being administered; brahma-vadibhih-by the saints and brahmanas expert in Vedic knowledge; sah-that; vai-indeed; tvastra-vadhah-the killing of Vrtrasura, the son of Tvasta; bhuyat-may be; api-although; papacayah-mass of sin; nrpa-O King; nitah-was brought; tena-by that (the horse sacrifice); eva-certainly; sunyaya-to nothing; niharah-fog; iva-like; bhanuna-by the brilliant sun.