Proto-Germanic *marþuz

→ Old English mearþ (inherited)

→ Danish mår (inherited)

→ Spanish marta (derived)

→ Faroese mørður (inherited)

→ French martre (derived)

→ Galician marta (derived)

→ Westrobothnian mal (inherited)

→ Icelandic mörður (inherited)

→ Icelandic Mörður (derived)

→ Latin martes (derived)

→ Norwegian Nynorsk mår (inherited)

→ Old Norse mǫrðr (inherited)

→ Portuguese marta (derived)

→ Swedish mård (inherited)