←
Proto-Germanic *fōr (derived)
←
Middle Low German fīrburs (derived)
←
Middle Low German vǖr (derived)
←
Ancient Greek πῦρ (cognate)
←
Proto-Indo-European *péh₂wr̥ (derived)
←
Old Norse fura (derived)
→
Icelandic fura (cognate)
→
German Low German Füer (cognate)
→
German Low German füür (cognate)