Where does “firebomb” come from?

firebomb (English) comes from English fire, from Middle English fier, from Old English fȳr, from Old English feor, from Proto-Germanic ferrai, from Proto-Indo-European per-nóy, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

firebomb (English): A weapon that causes fire, an incendiary weapon;...

Definitions

  1. A weapon that causes fire, an incendiary weapon;...

Ancestry of “firebomb”, step by step

firebomb 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 bomb

StepLanguageWordMeaning
1EnglishbombAn explosive device used or intended as a weapon;...
2Frenchbombérounded, convex; past participle of bomber
3Italianbombabomb
4Italianbombobumblebee; buzzing
5LatinbombusA buzz or humming sound
6Ancient Greekβόμβοςany deep, hollow sound, humming, buzzing,...

Words derived from “firebomb

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European per-nóy