planish

[prettygoodword]

planish (PLAN-ish) - v., to repeatedly hammer (thin metal) to shape and smooth it or to create a decorative indented finish; to pass (metal or paper) through rollers to give it a smooth finish.



Thanks, WikiMedia!

The ultimate root here is (via Old French) Latin planus, flat, which also gave us both plain (as in flat land) and plan (as in flat diagram).

---L.