Where does “protest” come from?

protest (Middle French) comes from Old French protest, from Latin prōtestō.

Ancestry of “protest”, step by step

StepLanguageWordMeaning
1Old Frenchprotest—
2Latinprōtestō—

Words derived from “protest”

Every word from Latin prōtestō →Every word from Old French protest →
protest — Etymology, Origin & Word History | Etymology Explorer