Śatapatha Brāhmaṇa ("of a hundred paths") 2.3.1.19

2.3.1.19

sa yadagnau juhoti | taddeveṣu juhoti tasmāddevāḥ santyatha yadupamārṣṭi tatpitṛṣu cauṣadhīṣu ca juhoti tasmātpitaraścauṣadhayaśca santyatha yaddhutvā prāśnāti tanmanuṣyeṣu juhoti tasmānmanuṣyāḥ santi

Now what he offers up in the fire, that he offers to the gods; and thereby the gods are (admitted to the sacrifice). And what he wipes off (the spoons), that he offers to the fathers and plants; and thereby the fathers and plants are (admitted). And what he eats after offering, that he offers to men; and thereby men are (admitted).