By the time of the last days of the Neo-Sumerian Empire, immigrating Amorites had become such a force that kings such as Shu-Sin were obliged to construct a long wall from the Tigris to the Euphrates to hold them off.
Ta izraz se pojavi v Enmerkar in gospodar Aratta, ki ga opisuje v času Enmerkarja kot eno od regij, kjer živio ljudje, ki govorijo drug jezik.