Kaushitakagrihyasutra 3.2.2

3.2.2

And not having had the post-holes dug, having poured out water mixed with flour, with “I erect this branch of immortality, a stream of sweetness, bringing forth treasures; / may the child cry towards this, may the boy [run towards it], may the purifying-calf milk-cow [approach it],” he places an udumbara branch anointed with clarified butter into the southern door-hole.