The story
- Proto-Indo-European*péh₂wr̥
- Proto-Germanic*fōr
- Proto-West Germanic*fuir
- Old Englishfȳr
- Middle Englishfyr
- Englishfire
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todayfireless
Etymology from Wiktionary, CC BY-SA 4.0.