Where does “jackhammer” come from?

jackhammer (English) comes from English Jack, from Middle English jakke, from Anglo-Norman jacke, from Middle French jaque, from Middle French jacques, from French jacques, from Latin Iacobus, from Ancient Greek Ἰάκωβος — heel of the foot; heel.

jackhammer (English): A portable percussive power tool that combines a...

Definitions

  1. A portable percussive power tool that combines a...

Ancestry of “jackhammer”, step by step

jackhammer traces back through two separate lines of ancestry.

via English Jack

StepLanguageWordMeaning
1EnglishJackA placeholder or conventional name for any man,...
2Middle EnglishjakkeA padded coat, especially as light armour
3Anglo-Normanjacke
4Middle Frenchjaque
5Middle Frenchjacques
6Frenchjacquesplural of jacque; a stupid person; a jemmy or...
7LatinIacobusJacob; James; Saint James
8Ancient GreekἸάκωβος
9Ancient GreekἸακώβJacob
10HebrewיַעֲקֹבJacob
11Hebrewעָקֵבheel of the foot; heel

via English Hammer

StepLanguageWordMeaning
1EnglishHammersomeone connected with West Ham Football Club, as...
2Middle EnglishhamerA hammer; A fierce individual; one with strong...
3Old Englishhamorhammer
4Proto-West Germanic*hamar
5Proto-Germanichamarazhammer
6Proto-Indo-Europeanh₂eḱmoros
7Proto-Indo-Europeanh₂éḱmōstone
8Proto-Indo-Europeanh₂eḱ-sharp
Every word from Hebrew עָקֵב