←
Proto-Germanic *bōþlą (inherited)→
Old English bold (cognate)→
Westrobothnian bol (inherited)→
Ancient Greek φωλεός (cognate)→
Icelandic ból (derived)→
Icelandic bæli (mention)→
Norwegian Nynorsk bol (inherited)→
Norwegian Nynorsk bøle (mention)