Where does “Jandová” come from?

Jandová (Czech) comes from Polish Janda, from Polish Jan, from Late Latin Iohannes, from Koine Greek Ἰωάννης, from Hebrew יוחנן, from Hebrew חנון, from Moroccan Arabic خنونة, from Arabic خُنَّة.

Ancestry of “Jandová”, step by step

Step	Language	Word	Meaning
1	Polish	Janda	—
2	Polish	Jan	John
3	Late Latin	Iohannes	Saint John
4	Koine 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 →