Śatapatha Brāhmaṇa ("of a hundred paths") 1.8.2.6

1.8.2.6

sa sammārṣṭi | agne vājajidvājaṃ tvā sasṛvāṃsaṃ vājajitaṃ sammārjmīti sariṣyantamiti vā agra āha sariṣyanniva hi tarhi bhavatyathātra sasṛvāṃsamiti sasṛveva hyatra bhavati tasmādāha sasṛvāṃsamiti

He sweeps (each time), with the formula (Vâg. S. II, 14 b), 'O Agni, food-gainer, I cleanse thee, the food-gainer, who hast hastened to the food!' On the former occasion he said, 'thee who art about to hasten (to the food),' for on that occasion he was indeed about to hasten thither; now, however, he says, 'who hast hastened (to the food),' for now he has indeed hastened thither: for this reason he says 'thee who hast hastened.'