Śatapatha Brāhmaṇa ("of a hundred paths") 1.6.4.20

1.6.4.20

taṃ nirdhīya nirasyati | sa eṣa dhītaḥ paścāddadṛśe sa punarāpyāyate sa etasyaivānnādyāya punarāpyāyate yadi ha vā asya dviṣanbhrātṛvyo vaṇijyayā vā kenacidvā sambhavatyetasya haivānnādyāya punaḥ sambhavati ya evametadveda

Having sucked him empty, he throws him out; and the latter, thus sucked out, is seen in the western sky, and again increases; he again increases to serve that (sun) as food: and verily if the spiteful enemy of one who knows this, thrives either by trade or in any other way, he thrives again and again in order to serve him as food.