←
Proto-Germanic *baunō (derived)
←
Proto-Germanic *bōniz (derived)
←
Proto-Indo-European *bʰabʰ- (derived)
←
Proto-Indo-European *bʰeh₂- (derived)
←
Old Norse baun (derived)
←
Old Norse bōn (derived)
→
Old English bean (cognate)
→
Finnish bööna (borrowed)