Shatapatha Brahmana 1.8.3.24

1.8.3.24

sa vai viśvebhyo devebhyaḥ sampragṛhṇāti | yadvā anādiṣṭaṃ devatāyai havirgṛhyate sarvā vai tasmindevatā apitvinyo manyante na vā etatkasyai cana devatāyai havirgṛhṇannādiṣati yadājyaṃ tasmādviśvebhyo devebhyaḥ sampragṛhṇātyetadu vaiśvadevaṃ haviryajñe

He seizes them for the Visve Devâh (the All-gods). For, assuredly, when any sacrificial food is taken without being announced to any one deity, then all the gods think that they have a share in it. Now when he takes that sacrificial food, the (residue of) butter, he does not announce it to any one deity; and hence he takes up (the two spoons) for the Visve Devâh, and thus makes that (residue of butter) the vaisvadeva at the haviryagña.