←
Proto-Germanic *fōr (derived)←
Proto-Indo-European *ph₂wṓr (derived)←
Proto-Indo-European *péh₂wōr (mention)←
Proto-Indo-European *péh₂wr̥ (mention)←
Old Norse fúrr (derived)←
Old Norse fýr (mention)←
Old Norse fýrir (mention)←
Old Norse funi (mention)→
Alemannic German Füür (cognate)