Where does “blackjack” come from?

blackjack (Polish) comes from English Blackjack, 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 — heel of the foot; heel.

blackjack (Polish): blackjack

Definitions

  1. blackjack

Ancestry of “blackjack”, step by step

StepLanguageWordMeaning
1EnglishBlackjackA fan of the South Korean girl group 2NE1
2EnglishJackA placeholder or conventional name for any man,...
3Middle EnglishjakkeA padded coat, especially as light armour
4Anglo-Normanjacke
5Middle Frenchjaque
6Middle Frenchjacques
7Frenchjacquesplural of jacque; a stupid person; a jemmy or...
8LatinIacobusJacob; James; Saint James
9Ancient GreekἸάκωβος
10Ancient GreekἸακώβJacob
11HebrewיַעֲקֹבJacob
12Hebrewעָקֵבheel of the foot; heel
Every word from Hebrew עָקֵב