Agni Purana 64.13

64.13

udbhidadbhyaścodbhidena pāvamānyātha tīrthakaiḥ /
āpo hi ṣṭhā pañcagavyāddhiraṇyavarṇeti svarṇajāt //

with the spring water from spring [mantras]; then with the Pāvamānī hymns from the waters of sacred fords;
with ‘āpo hi ṣṭhā’ from the five products of the cow; with ‘hiraṇyavarṇāḥ’ from golden water;