Where does “erg” come from?

erg (Romanian) comes from French erg, from Ancient Greek ἔργον, from Proto-Hellenic wérgon, from Proto-Indo-European wérǵom, from Proto-Indo-European werǵ- — to make.

erg (Romanian): erg

Definitions

Ancestry of “erg”, step by step

Step	Language	Word	Meaning
1	French	erg	erg desert region
2	Ancient Greek	ἔργον	deed, doing, action; labour, work, task;...
3	Proto-Hellenic	wérgon	work
4	Proto-Indo-European	wérǵom	work
5	Proto-Indo-European	werǵ-	to make

Every word from Proto-Indo-European werǵ- →Every word from Proto-Indo-European wérǵom →Every word from Proto-Hellenic wérgon →