The children of Israel did that which was evil in the sight of Yahweh, and forgot Yahweh their God, and served the Baals and the Asheroth.
It is of interest that the words "Cushan-rishathaim" mean literally, "Ethiopian of double iniquity,"[10] or "Nubian of double-dyed wickedness."[11]  It is possible that this "title" of Israel's enemy here was a nickname for some well-known enemy of the Chosen People.