Atharvaveda 7.79.3

7.79.3

ā́gan rā́trī saṅgámanī vásūnām ū́rjaṃ puṣṭáṃ vásv āveśáyantī |
amāvāsyā̀yai havíṣa vidhemórjaṃ dúhānā páyasā na ā́gan ||3||

The night hath come, assembler of good things, causing sustenance, prosperity, [and] good to enter in; we would worship Amāvāsyā with oblation; yielding (duh) sustenance with milk is she come to us.