I. General
A. Name
The name M., i.e. ‘[land] between the rivers [ Euphrates [2] and Tigris]’, first appears in Arrian (Arr. Anab. 3,7,3; 7,7,3) as a designation for the area of what is now eastern Syria and northern Iraq, probably corresponding to the Aramaic beyn nahrīn and the Akkadian māt birīt nārim (both ‘between the rivers’). However, this expression designated only the region between the bend of the Euphrat…