Where does “Jahn” come from?

Jahn (English) comes from German Jahn, from German Johannes, from Latin Johannes, from Ancient Greek Ἰωάννης, from Hebrew יוחנן, from Hebrew חנון, from Moroccan Arabic خنونة, from Arabic خُنَّة.

Ancestry of “Jahn”, step by step

Step	Language	Word	Meaning
1	German	Jahn	—
2	German	Johannes	penis; cock
3	Latin	Johannes	John
4	Ancient Greek	Ἰωάννης	—
5	Hebrew	יוחנן	Yahweh is gracious
6	Hebrew	חנון	gracious, merciful, compassionate; passive...
7	Moroccan Arabic	خنونة	mucus, snot
8	Arabic	خُنَّة	—

Every word from Arabic خُنَّة →Every word from Moroccan Arabic خنونة →Every word from Hebrew חנון →