Old Norse mergr

← Proto-Germanic *mazgą (inherited)

← Proto-Indo-European *mosgʰos (inherited)

→ Danish marv (inherited)

→ Icelandic mergur (derived)

→ Lithuanian smegenys (mention)

→ Norwegian Bokmål marg (derived)

→ Norwegian Nynorsk merg (derived)

→ Norn mergi (derived)

→ Swedish märg (derived)