French word risible comes from Latin ridere, and later Latin risus (Laughter, laughing. Mockery, jest.)

Detailed word origin of risible

Dictionary entry	Language	Definition
ridere	Latin (lat)
risus	Latin (lat)	Laughter, laughing. Mockery, jest.
risibilis	Late Latin (LL)
risible	French (fra)	Risible, laughable.

Words with the same origin as risible