Shatapatha Brahmana 4.5.8.6

4.5.8.6

ājighra kalaśam | mahyā tvā viśantvindava iti riricāna iva vā eṣa bhavati yaḥ sahasraṃ dadāti tamevaitadriricānam punarāpyāyayati yadāhājighra kalaśam mahyā tvā viśantvindava iti

With (Vâg. S. VIII, 42), 'Smell the trough: may the drops enter thee, O mighty one!' Now he who gives a thousand (cows) becomes, as it were, emptied: him, thus emptied, he thereby replenishes, when he says, 'Smell the trough: may the drops enter thee, O mighty one!'