Khadiragrihyasutra 1.2.1

1.2.1

pūrve bhāge veśmano gomayenopalipya tasya madhyadeśe lakṣaṇaṃ kuryāt / 1

In the eastern part of his dwelling he should besmear (the place on which the sacrifice will be
2, 1. pûrve bhâge vesmano gomayenopalipya tasya madhyadese lakshanam kuryâd. performed) with cowdung, and should draw in the middle of it the lines.