Atharvaveda 20.52.1

20.52.1

vayáṃ gha tvā sutā́vanta ā́po ná vr̥ktábarhiṣaḥ |
pavítrasya prasrávaṇeṣu vr̥trahan pári stotā́ra āsate ||1||

We compass thee like waters, we whose grass is trimmed and
Soma pressed.
Here where the filter pours its stream thy worshipper round thee, O Vritra-slayer, sit.