Where does “jack” come from?

Jack comes from Portuguese jaca, from Malayalam ചക്ക, a tropical fruit tree and its spiky fruit native to South Asia.

jack (English): A coarse mediaeval coat of defence, especially...

Definitions

  1. A coarse mediaeval coat of defence, especially...

Ancestry of “jack”, step by step

StepLanguageWordMeaning
1Anglo-Normanjacke
2Middle Frenchjaque
3Middle Frenchjacques
4Frenchjacquesplural of jacque; a stupid person; a jemmy or...
5LatinIacobusJacob; James; Saint James
6Ancient GreekἸάκωβος
7Ancient GreekἸακώβJacob
8HebrewיַעֲקֹבJacob
9Hebrewעָקֵבheel of the foot; heel

Words derived from “jack

Every word from Hebrew עָקֵב