Where does “Jack” come from?

Jack is a nickname for John, deriving through Old French Johan and Latin Iohannes from Hebrew Yohanan, meaning "God is gracious."

Jack (English): A placeholder or conventional name for any man,...

Definitions

  1. A placeholder or conventional name for any man,...

Ancestry of “Jack”, step by step

Jack traces back through two separate lines of ancestry.

via Middle English jakke

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

via Portuguese jaca

StepLanguageWordMeaning
1Portuguesejacajackfruit
2Malayalamചക്കjackfruit
3Tamilசக்கைpomace, residue

Words derived from “Jack

Every word from Hebrew עָקֵב
Jack — Etymology, Origin & Word History | Etymology Explorer