←
West Frisian fjoer (cognate)
←
Proto-Germanic *fōr (derived)
←
Proto-West Germanic *fuir (inherited)
←
Old High German fiur (inherited)
←
Proto-Indo-European *péh₂wr̥ (derived)
←
Low German Füer (cognate)
→
Cimbrian bôar (cognate)
→
Cimbrian vaür (cognate)