Where does “Jenny” come from?

Jenny (Norwegian) comes from English Jenny, from English Janet, from English Jane, from French Jeanne, from Old French Jehane, from Medieval Latin Johanna, from Latin Joanna, from Ancient Greek Ἰωάννα — God is gracious.

Ancestry of “Jenny”, step by step

StepLanguageWordMeaning
1EnglishJennyA Wren; A Curtiss JN-4 airplane
2EnglishJanetA highly classified fleet of passenger aircraft used to transport the military and contractors
3EnglishJaneA woman, often specifically a girlfriend;...
4FrenchJeanneJane, feminine of John
5Old FrenchJehane—
6Medieval LatinJohanna—
7LatinJoanna—
8Ancient GreekἸωάννα—
9Hebrewיוֹחָנָה—
10HebrewיוֹחָנָןGod is gracious
11HebrewיְהוֹחָנָןGod is gracious
Every word from Hebrew יְהוֹחָנָן →Every word from Hebrew יוֹחָנָן →Every word from Hebrew יוֹחָנָה →