Where does “ジャック” come from?

ジャック (Japanese) comes from Japanese ハイジャック, from English hijack, from English jacker, from English jacklight, from English Jack, from Middle English jakke, from Anglo-Norman jacke, from Middle French jaque — heel of the foot; heel.

ジャック (Japanese): a jack; a hijack; to hijack

Definitions

  1. a jack; a hijack; to hijack

Ancestry of “ジャック”, step by step

StepLanguageWordMeaning
1Japaneseハイジャックto hijack
2EnglishhijackTo forcibly seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat)
3EnglishjackerOne who hunts at night using a jacklight
4EnglishjacklightA spotlight or lamp mounted on a car; To shine a...
5EnglishJackA placeholder or conventional name for any man,...
6Middle EnglishjakkeA padded coat, especially as light armour
7Anglo-Normanjacke
8Middle Frenchjaque
9Middle Frenchjacques
10Frenchjacquesplural of jacque; a stupid person; a jemmy or...
11LatinIacobusJacob; James; Saint James
12Ancient GreekἸάκωβος
13Ancient GreekἸακώβJacob
14HebrewיַעֲקֹבJacob
15Hebrewעָקֵבheel of the foot; heel
Every word from Hebrew עָקֵבEvery word from Hebrew יַעֲקֹבEvery word from Ancient Greek Ἰακώβ