Śatapatha Brāhmaṇa ("of a hundred paths") 6.3.2.9

6.3.2.9

athājam | pṛthivyāḥ sadhasthādagnim purīṣyamaṅgirasvadābhareti pṛthivyā upasthādagnim paśavyamagnivadābharetyetattadenamajenānvicati

Then the he-goat, with (Vâg. S. XI, 16), 'From the Earth's seat, Aṅgiras-like, bring thou Agni Purîshya!'--that is, 'from the Earth's lap bring thou Agni, favourable to cattle, as Agni (did)!' he thus searches for him (Agni) by means of the he-goat.