nickel
Pronunciation: /ˈnɪk(ə)l/
noun
verb ( nickels, nickelling, nickelled; US nickels, nickeling, nickeled)

Origin:
mid 18th century: shortening of German Kupfernickel, the copper-coloured ore from which nickel was first obtained, from Kupfer 'copper' + Nickel 'demon' (with reference to the ore's failure to yield copper)