The story
- German · calque ofKupfernickel
- English todaycupronickel
From cupro- + nickel, likely a calque of German Kupfernickel. Piecewise doublet of copper-nickel and kupfernickel.
Words from the same roots
GermanKupfernickel all →
copper-nickelkupfernickel
Etymology from Wiktionary, CC BY-SA 4.0.