→
Old English beorn (derived)→
Danish bjørn (inherited)→
Middle English berne (inherited)→
Faroese bjørn (derived)→
Westrobothnian bjern (inherited)→
Icelandic björn (inherited)→
Norwegian Bokmål bjørn (derived)→
Norwegian Nynorsk bjørn (derived)→
Old Norse bjǫrn (inherited)→
Swedish björn (inherited)