Etymology of the English word fireball
the English word fireball
derived from the English word fire
derived from the English word fir
derived from the Middle Dutch word vierde
derived from the English word fur
derived from the Old French word forrer
derived from the Proto-Indo-European root *paəwr₀
derived from the Proto-Germanic root *fothram
derived from the Proto-Germanic root *furkhon
derived from the Proto-Germanic root *fuir