Śatapatha Brāhmaṇa ("of a hundred paths") 8.1.3.7

8.1.3.7

tadu ha carakādhvaryavaḥ | anyā evāpānabhṛto vyānabhṛta udānabhṛtaḥ samānabhṛtaścakṣurbhṛto manobhṛtaḥ śrotrabhṛto vāgbhṛta ityupadadhati na tathā kuryādatyahaiva rocayantyatro evaitāni sarvāṇi rūpāṇyupadhīyante

Now the Karakâdhvaryus, indeed, lay down different (bricks) as holders of the downward air, of the circulating air, of the outward air, of the pervading air, as eye-holders, mind-holders, ear-holders, and speech-holders; but let him not do this, for they do what is excessive, and in this (our) way, indeed, all those forms are laid (into Agni).