Agniveshyagrihyasutra 3.9.3.4

3.9.3.4

apareṇāgniṃ sauvarṇena pātreṇa navena vā mṛṇmayena kṛṣṇājinena vā dṛtibhūtena ghṛtenā pābhiḥ pūrayitvā jīvapituścet pitābhimantrayate viṣṇuryoniṃ kalpayatu iti \

To the west of the fire, having filled a golden vessel, or a new earthen one, or a black antelope skin made into a leather bag, with ghee [and] with water, if his father is alive, the father consecrates it with [the verse]: “May Viṣṇu prepare the womb”.