Where does “jakke” come from?

jakke (Middle English) comes from Anglo-Norman jacke, from Middle French jaque, from Middle French jacques, from French jacques, from Latin Iacobus, from Ancient Greek Ἰάκωβος, from Ancient Greek Ἰακώβ, from Hebrew יַעֲקֹב — heel of the foot; heel.

jakke (Middle English): A padded coat, especially as light armour