Where does “Arteis” come from?

Arteis (Old French) comes from Latin Atrebates, from Proto-Celtic ad-treb-a-t-es, from Proto-Celtic treb — home, building.

Ancestry of “Arteis”, step by step

Step	Language	Word	Meaning
1	Latin	Atrebates	—
2	Proto-Celtic	ad-treb-a-t-es	inhabitants
3	Proto-Celtic	treb	home, building

Arteis — Etymology, Origin & Word History | Etymology Explorer