Where does “juj” come from?

juj (Senhaja De Srair) comes from Moroccan Arabic جوج, from Arabic زَوْج, from Ancient Greek ζεῦγος, from Proto-Indo-European yugóm, from Proto-Indo-European yewg- — to join, to yoke, to tie together.

Ancestry of “juj”, step by step

Step	Language	Word	Meaning
1	Moroccan Arabic	جوج	two
2	Arabic	زَوْج	couple; spouse; pair
3	Ancient Greek	ζεῦγος	pair, two things, persons or animals considered...
4	Proto-Indo-European	yugóm	yoke
5	Proto-Indo-European	yewg-	to join, to yoke, to tie together

Every word from Proto-Indo-European yewg- →Every word from Proto-Indo-European yugóm →Every word from Ancient Greek ζεῦγος →