←
Old English byrian (cognate)
←
Old English būr (cognate)
←
Proto-Germanic *buriz (inherited)
←
Proto-Germanic *buriz (inherited)
←
Proto-Germanic *buriz (inherited)
←
Proto-Germanic *burjaz (inherited)
→
English birr (inherited)
→
English burly (mention)
→
English birle (cognate)
→
Middle English bir (inherited)
→
Icelandic bur (cognate)
→
Old Norse burr (cognate)
→
Old Norse byrr (cognate)