Where does “firestorm” come from?

Firestorm comes from English fire and Middle English storm, which derive from Old English fȳr and Proto-Germanic sturmaz, ultimately tracing to Proto-Indo-European (s)twer- and péh₂wr̥.

firestorm (English): A fire whose intensity is greatly increased by...

Definitions

  1. A fire whose intensity is greatly increased by...

Ancestry of “firestorm”, step by step

firestorm traces back through two separate lines of ancestry.

via English fire

StepLanguageWordMeaning
1EnglishfireA chemical reaction involving the bonding of...
2Middle EnglishfierAlternative form of figer
3Old Englishfȳrfire
4Old EnglishfeorAlternative form of feorr; far
5Proto-Germanicferraifar, distant
6Proto-Indo-Europeanper-nóy
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed

via English storm

StepLanguageWordMeaning
1EnglishstormAny disturbed state of the atmosphere, especially...
2Middle EnglishstormA storm; an instance of intense wind and...
3Old Englishstormstorm
4Proto-West Germanic*sturmstorm
5Proto-Germanicsturmazstorm
6Proto-Indo-European(s)twer-to rotate, swirl, twirl, move around; to turn...
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European per-nóy