Proto-Germanic *burjaną

→ English burgeon (derived)

→ Danish gebyr (inherited)

→ Danish burde (derived)

→ Danish bør (derived)

→ Danish børje (derived)

→ Middle Dutch bueren (inherited)

→ Faroese byrja (inherited)

→ Old Swedish byria (inherited)

→ Icelandic byrja (derived)

→ German Low German böhren (inherited)

→ Dutch beuren (inherited)

→ Dutch opbeuren (inherited)

→ Old Norse byrja (inherited)

→ Swedish börja (inherited)