douve

douve is feminine in French.

moat (defensive ditch); stave (of a barrel)

Inherited from Old French dove, doue, from Latin doga, from Ancient Greek δοχή (dokhḗ), from Proto-Indo-European *doḱ-éh₂. Cognate with Persian دیوار and Dutch duig (“stake, piece”).

douve is feminine in French.

spearwort; fluke (parasitic flatworm)

Inherited from Middle French dauve, from Old French dolve, from Late Latin dolva, related to the name of a buttercup that grows in swamps, attested in the fifth century and possibly of Celtic origin.