Old Norse byrr

← Old English byre (cognate)

← Proto-Germanic *buriz (inherited)

→ Danish bør (inherited)

→ Faroese byrur (inherited)

→ Westrobothnian börfast (inherited)

→ Norwegian Nynorsk bør (inherited)

→ Old Norse byrja (mention)

→ Russian буря (mention)

→ Serbo-Croatian bura (cognate)

→ Serbo-Croatian бура (mention)

→ Slovene burja (cognate)