Where does “ottonatura” come from?
ottonatura (Italian) comes from Italian ottonare, from Italian Ottone, from Italian lottone, from Arabic لَاطُون, from Old Turkic 𐰞𐱃𐰆𐰣, from Proto-Turkic altun — gold.
ottonatura (Italian): brazing
Ancestry of “ottonatura”, step by step