Don't mind me just doing a reverse image search to figure out where the final hint came from:
https://charlestonmysteries.com/single/autumn-mowing-lawns-and-meadows-with-a-scythe/RGNTYPmeLXk"Autumn mowing lawns and meadows with a scythe" seems to be the appropriate description. Of this it seems
scythe is the important word.
So we've got
arc (which I'm now less sure about), some connection to Clans, and
scythe or possibly
mowing.
My final guess is:
Auto
Removal
Criteria for clans. This would also explain the 40-cap since it'll create a mechanism for clans to avoid bloat. And it'd be a great feature since it'll see immediate use. So fingers crossed!