Where does “Jalousie” come from?

Jalousie (German) comes from French jalousie, from Italian gelosia, from Italian geloso, from Latin zēlōsus, from Latin zēlus, from Ancient Greek Ζῆλος, from Proto-Indo-European yeh₂- — to go; to go in, enter; to ride, to travel.

Jalousie (German): roller blind, window blind, Venetian blind

Definitions

roller blind, window blind, Venetian blind

Ancestry of “Jalousie”, step by step

Step	Language	Word	Meaning
1	French	jalousie	jealousy; screen; Venetian blind
2	Italian	gelosia	jealousy; shutter
3	Italian	geloso	jealous
4	Latin	zēlōsus	jealous
5	Latin	zēlus	zeal, emulation
6	Ancient Greek	Ζῆλος	Zelus
7	Proto-Indo-European	yeh₂-	to go; to go in, enter; to ride, to travel

Every word from Proto-Indo-European yeh₂- →Every word from Ancient Greek Ζῆλος →Every word from Latin zēlus →