6 letters · 8 points in Scrabble
noun a fine coating of oxide on the surface of a metal
originBorrowed from Italian patina, from Latin patina (“dish, pan”), itself a borrowing from Ancient Greek πατάνη (patánē), either from Proto-Indo-European *peth₂- (“to spread”) or from Pre-Greek. Doublet of paten, patena, and patine.
Etymology from Wiktionary, CC BY-SA 3.0