Gobhilagrihyasutra 1.7.9

1.7.9

- agnim upasamādhāya kuśaiḥ samantaṃ paristṛṇuyāt purastād dakṣiṇata uttarataḥ paścād iti:

Having put wood on the fire, he should strew Kusa grass round it on all sides, to the east, to the south, to the north, to the west—