Śatapatha Brāhmaṇa ("of a hundred paths") 1.8.3.22

1.8.3.22

atha paridhīnanupraharati sa madhyamamevāgre paridhimanupraharati yam paridhiṃ paryadhatthā agne deva paṇibhirguhyamānaḥ taṃ ta etamanu joṣaṃ bharāmyeṣa nettvadapacetayātā ityagneḥ priyam pātho 'pītamitītarāvanusamasyati

He now throws the enclosing-sticks into the fire. The middle enclosing-stick he throws first, with the text (Vâg. S. II, 17 a), 'The stick which thou laidst around thee, O divine Agni, when thou wert concealed by the Panis, I bring thee for thy pleasure; may it not prove faithless to thee!'--With (ib. b), 'Approach ye the place beloved of Agni!' he throws the two others after it.