The story
- Proto-Indo-European*péh₂wr̥
- Proto-Germanic*fōr
- Proto-West Germanic*fuir
- Old Englishfȳr
- Middle Englishfyr
- Englishfire
- Old Englishlīehtan
- Middle Englishlighten
- Englishlight
- Englishlighter
- English todayfirelighter
Etymology from Wiktionary, CC BY-SA 4.0.