Atharvaveda 9.5.10

9.5.10

ajás trināké tridivé tripr̥ṣṭhé nā́kasya pr̥ṣṭhé dadivā́ṃsaṃ dadhāti |
páñcaudano brahmáṇe dīyámāno viśvárūpā dhenúḥ kāmadúghāsy ékā ||10||

The goat sets him that has given it on the three-firmamented, three-heavened, three-backed back of the firmament; being given with five rice-dishes to a priest, thou art a single milch-cow, all-formed, wish-yielding.