Śatapatha Brāhmaṇa ("of a hundred paths") 1.4.2.2

1.4.2.2

agne mahāṃ asi brāhmaṇa bhārateti | brahma hyagnistasmādāha brāhmaṇeti bhāratetyeṣa hi devebhyo havyaṃ bharati tasmādbharato 'gnirityāhureṣa u vā imāḥ prajāḥ prāṇo bhūtvā bibharti tasmādvevāha bhārateti

'O Agni, thou art great! O priest (brâhmana), O Bhârata!' for Agni, indeed, is the brahman (sacerdotium): therefore he says 'O Brâhmana!--O Bhârata' he says, because he (Agni) bears (bhar) the oblation to the gods: therefore they say 'Agni is bhârata (the bearer).' Or, he, being the breath, sustains (bhar) these creatures: therefore he says 'O Bhârata (sustainer)!'