Where does “pivot” come from?

pivot (Portuguese) comes from French pivot, from Old French pivot — hinge pin, pivot, penis.

Ancestry of “pivot”, step by step

StepLanguageWordMeaning
1Frenchpivotpivot; fulcrum; lynchpin
2Old Frenchpivothinge pin, pivot, penis
Every word from Old French pivot →Every word from French pivot →
pivot — Etymology, Origin & Word History | Etymology Explorer