Śatapatha Brāhmaṇa ("of a hundred paths") 1.4.2.3

1.4.2.3

athārṣeyam pravaṇīte | ṛṣibhyaścaivainametaddevebhyaśca nivedayatyayam mahāvīryo yo yajñam prāpaditi tasmādārṣeyam pravṛṇīte

He now calls on (Agni as) the ancestral (Hotri priest). He thereby introduces him both to the Rishis and to the gods (as if he were to say), 'Of great vigour is he who has obtained the sacrifice!' This is the reason why he calls on (Agni as) the ancestral (Hotri).