Śatapatha Brāhmaṇa ("of a hundred paths") 8.3.2.4

8.3.2.4

viśvasmai prāṇāyāpānāya | vyānāyeti prāṇo vai viśvajyotiḥ sarvasmā u vā etasmai prāṇo viśvaṃ jyotiryaceti sarvaṃ jyotiryacetyetadvāyuṣṭe 'dhipatiriti vāyumavāsyā adhipatiṃ karoti sādayitvā sūdadohasādhivadati tasyokto bandhuḥ

'For all up-breathing, down-breathing, through-breathing,'--for the Visvagyotis is breath, and breath indeed is (necessary) for this entire universe;--'give all the light!'--that is, 'give the whole light;'--'Vâyu is thine over-lord,'--it is Vâyu he thus makes the over-lord of that (layer and the air-world). Having settled it, he pronounces the Sûdadohas over it: the significance of this has been explained.