planish

UK: /ˈplænɪʃ/ US: (plan′ish)

WordReference Random House Unabridged Dictionary of American English © 2025

plan•ish  (plan′ish), v.t. 

1. to give a smooth finish to (metal) by striking lightly with a smoothly faced hammer or die.
2. to give a smooth finish to (metal, paper, etc.) by passing through rolls.

• Latin plānus plain¹
• Old French planiss-, long stem of planir to smooth, derivative of plan level
• Middle English planyssyng (gerund, gerundive) 1350–1400

plan′ish•er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

planish / ˈplænɪʃ/ verb

1. (transitive) to give a final finish to (metal) by hammering or rolling to produce a smooth surface

Etymology: 16th Century: from Old French planir to smooth out, from Latin plānus flat, plain¹