Agniveshyagrihyasutra 2.5.11.5

2.5.11.5

taṭākaṃ gatvā śucau deśe uddhatyamānam ityuddhatya śanno devīḥ ityavokṣya devayajanaṃ parigṛhya parilikhitam iti parilikhati \

Having gone to a pond, on a clean spot, having dug up [the ground] with "Being dug up...", having sprinkled it with "May the divine [waters] be for our welfare...", having taken possession of the place of sacrifice to the gods, he draws lines around it with "Encompassed by lines...".