←
Old English burna (cognate)
←
Proto-Germanic *brunnô (inherited)
←
Middle High German brunne (inherited)
←
Proto-West Germanic *brunnō (inherited)
←
Old High German brunno (inherited)
←
Proto-Indo-European *bʰrun- (derived)
→
Cimbrian prunn (cognate)
→
Luxembourgish Buer (mention)
→
Mòcheno prunn (cognate)