Where does “jaloux” come from?

jaloux (Danish) comes from French jaloux, from Old French jalous, 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.

jaloux (Danish): jealous socially, esp. romantically

Definitions

jealous socially, esp. romantically

Ancestry of “jaloux”, step by step

Step	Language	Word	Meaning
1	French	jaloux	jealous
2	Old French	jalous	eager; zealous; jealous
3	Latin	zēlōsus	jealous
4	Latin	zēlus	zeal, emulation
5	Ancient Greek	Ζῆλος	Zelus
6	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 →