French word dessus comes from Old French desus (Under; underneath Under; underneath.)

Detailed word origin of dessus

Dictionary entry	Language	Definition
desus	Old French (fro)	Under; underneath Under; underneath.
dessus	French (fra)	On it (something previously mentioned). On top. Over. Upstairs The upper hand; advantage. Upside; top side (dated) on, on top of.

Words with the same origin as dessus