Where does “jaczka” come from?

jaczka (Polish) comes from Polish jaka, from German jacke, from Middle French jaque, from Middle French jacques, from French jacques, from Latin Iacobus, from Ancient Greek Ἰάκωβος, from Ancient Greek Ἰακώβ — heel of the foot; heel.

Ancestry of “jaczka”, step by step

StepLanguageWordMeaning
1Polishjakafeminine nominative/vocative singular of jaki
2Germanjackejacket
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
Every word from Hebrew עָקֵב →Every word from Hebrew יַעֲקֹב →Every word from Ancient Greek Ἰακώβ →