4 occurrences in 4 dictionaries
Reference: Archevites
Fausets
Men of Erech, transplanted to Samaria (Ezr 4:9).
Hastings
The people of Erech' (wh. see). Some of the inhabitants of Erech were deported as colonists to Samaria by king Ashurbanipal (668
Morish
Ar'chevites
People removed from Assyria to Samaria. They joined in the petition to Artaxerxes against the Jews. Ezr 4:9. The origin of the name is unknown.
Smith
Ar'chevites
perhaps the inhabitants of Erech, some of whom had been placed as colonists in Samaria.