Atharvaveda 9.9.5

9.9.5

ihá bravītu yá īm aṅgá védāsyá vāmásya níhitaṃ padáṃ véḥ |
śīrṣṇáḥ kṣīráṃ duhrate gā́vo asya vavríṃ vásānā udakáṃ padā́ 'puḥ ||5||

Let him who truly knows ⌊here⌋ tell (brū) the set-down track of this pleasant bird; the kine extract (duh) milk from his head; clothing themselves in a wrap, they have drunk water with the foot.