←
Proto-Germanic *fōr (derived)
←
Old High German fiur (cognate)
←
Proto-Indo-European *péh₂wr̥ (derived)
←
Norwegian Bokmål fyrig (link)
←
Old Norse fýrr (derived)
←
Old Frisian fiur (cognate)
←
Old Saxon fiur (cognate)
→
Norwegian Bokmål fyrtårn (compound)