French word couverture comes from Latin cooperio (I cover wholly, cover over, overwhelm.), Latin coopero

Detailed word origin of couverture

Dictionary entry	Language	Definition
cooperio	Latin (lat)	I cover wholly, cover over, overwhelm.
coopero	Latin (lat)
coopertus	Latin (lat)
coopertūra	Late Latin (LL)
coverture	Old French (fro)	Covering; cover.
couverture	French (fra)	Blanket. Cover. Coverage.

Words with the same origin as couverture