Proto-Celtic *mori

→ English moor (cognate)

→ English Merlin (derived)

→ English Muriel (derived)

→ English Armorica (mention)

→ English Moray (derived)

→ English avourneen (derived)

→ Breton mor (inherited)

→ Welsh môr (inherited)

→ Welsh Caerfyrddin (mention)

→ French Muriel (derived)

→ Scottish Gaelic muir (inherited)

→ Manx mooir (inherited)

→ Latin Morini (derived)

→ Latin Moridunum (derived)

→ Primitive Irish muir (inherited(pgl/ga))

→ Portuguese Mira (derived)

→ Old Irish muir (inherited)