Shatapatha Brahmana 9.2.1.7

9.2.1.7

svāhākāreṇa tāṃ vyāghārayati | pratyakṣaṃ vai tadyatsvāhākāraḥ pratyakṣaṃ sottaravedirveṭkāreṇemām paro 'kṣaṃ vai tadyadveṭkāraḥ paro 'kṣamiyamuttaravedirājyenājyena hyuttaravediṃ vyāghārayanti pañcagṛhītena pañcagṛhītena hyuttaravediṃ vyāghārayanti vyatihāraṃ vyatihāraṃ hyuttaravediṃ vyāghārayanti

With the Svâhâ-call he makes the libation on that (high-altar), for distinct (manifest) is the Svâhâ, and distinct is that high-altar; but with the Vet-call (he offers) on this (brick), for indistinct is the Vet-call, and indistinct is this high-altar. With ghee (they offer), for with ghee they offer on the high-altar;--with fivefold-taken (ghee), for with fivefold-taken (ghee) they offer on the high-altar:--by turns (he makes the libations), for by turns they make the libations on the high-altar.