DictionaryRoot: crampoun
Old French
crampoun
cramp, brace, staple
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noun
crampon
KRAM-pahn/ˈkræmpɑːn/
A spiked device attached to footwear for grip on ice or snow.
Etymology
Old French crampoun named a brace or staple, and the English word first described a metal bar bent for fastening. The footwear sense applies that fastening function to a spiked plate that grips ice or rock.