Śatapatha Brāhmaṇa ("of a hundred paths") 6.5.2.11

6.5.2.11

atha tiraścīṃ rāsnām paryasyati | diśo haiva saitadvai devā imāṃlokānukhāṃ kṛtvā digbhiradṛṃhandigbhiḥ paryatanvaṃstathaivaitadyajamāna imāṃlokānukhāṃ kṛtvā digbhidṛṃhati digbhiḥ paritanoti

He then lays round the horizontal belt (or rim);--that is the quarters; for the gods, having made these worlds, the fire-pan, strengthened and encircled them by the quarters; and in like manner the Sacrificer, having made these worlds, the fire-pan, thus strengthens and encircles them by the quarters.