Proto-Celtic *blātus

→ Breton bleuñv (inherited)

→ Welsh blodyn (inherited)

→ Welsh blawd (derived)

→ Esperanto beladono (derived)

→ Finnish belladonna (derived)

→ Irish bláth (inherited)

→ Scottish Gaelic blàth (inherited)

→ Galician beladona (derived)

→ Manx blaa (inherited)

→ Italian belladonna (mention)

→ Cornish blejan (derived)

→ Cornish bleujen (inherited)

→ Cornish bleujenn (derived)

→ Latin belladonna (derived)

→ Latin bladona (derived)

→ Dutch belladonna (derived)

→ Portuguese beladona (derived)

→ Russian белладонна (derived)

→ Old Irish bláth (inherited)

→ Serbo-Croatian beladona (derived)