Where does “bombshell” come from?

Bombshell comes from English bomb, from French bombe, from Italian bomba, from Latin bombus, from Ancient Greek βόμβος, all ultimately from Proto-Indo-European (s)kelH- meaning to resound or echo.

bombshell (English): A bomb or artillery shell designed to explode on...

Definitions

  1. A bomb or artillery shell designed to explode on...

Ancestry of “bombshell”, step by step

bombshell traces back through two separate lines of ancestry.

via English Shell

StepLanguageWordMeaning
1EnglishShellA diminutive of the female given name Michelle or Shelly
2Middle Englishschelle
3Old Englishsċiellshell
4Proto-West Germanicskalljuscale; shell
5Proto-Germanicskaljōshell; husk; rind; peel
6Proto-Indo-European(s)kelH-to cut; to split, to separate
7Proto-Indo-European(s)kel-to bend, crook; bent, crooked; leg, heel, knee,...

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,...
Every word from Proto-Indo-European (s)kel-Every word from Proto-Indo-European (s)kelH-Every word from Proto-Germanic skaljō