Śatapatha Brāhmaṇa ("of a hundred paths") 8.6.3.16

8.6.3.16

yadveva punaścitimupadadhāti | punaryajño haiṣa uttarā haiṣā devayajyā punaryajñamevaitadupadhatta uttarāmeva devayajyāmupa hainam punaryajño namati

And, again, as to why he lays down the Punaskiti. This, doubtless, is a repeated sacrifice (punaryagña), and higher (than the ordinary sacrifice) is this worship of the gods: he thus sets up a repeated sacrifice, and the higher worship of the gods; and the repeated sacrifice inclines (accrues) to him.