←
Old English birċe (inherited)
←
Old English bierċe (mention)
←
Middle English birche (inherited)
←
Middle English birk (mention)
←
West Frisian bjirk (cognate)
←
Proto-Germanic *berkō (mention)
←
Proto-West Germanic *birkijā (inherited)
←
Norwegian bjørk (cognate)
←
Ossetian бӕрз (cognate)
←
Sanskrit भूर्ज (cognate)
←
Swedish björk (cognate)
→
Faroese bjørk (cognate)
→
Galician bido (cognate)
→
Westrobothnian bjerk (cognate)
→
Luxembourgish Bierk (cognate)
→
Latvian bērzs (cognate)
→
Norwegian Bokmål bjørk (cognate)
→
Norwegian Bokmål bjerk (cognate)
→
Norwegian Nynorsk bjørk (cognate)
→
Norwegian Nynorsk bjørkje (cognate)
→
Ossetian бӕрз (cognate)
→
Sanskrit भूर्ज (cognate)
→
Albanian bredh (cognate)