Agniveshyagrihyasutra 3.6.3.20

3.6.3.20

tamasyā uddhate sikatopopte pariśrite nidadhāti pṛthivyāstvā akṣityā apāmoṣadhīnāṃ rase svarge loke nākasya tvā pṛṣṭhe bradhnasya tvā viṣṭape sādayāmyamumasau iti \

On its raised ground, strewn with sand, enclosed [with mats], he deposits it, [saying]: “By the imperishability of the earth, in the sap of the waters and plants, in the heavenly world, on the back of the firmament, on the summit of the sun, I settle you, such-and-such, son of such-and-such!”