We only know about their origin from the history of the semitic languages. The earliest proved history of any Semitic people is from 30th century BC Mesopotamia. The East Semitic Akkadian-speaking peoples of the Kish civilization, entered the region which had been dominated by the non-Semitic Sumerians.
- Lucy Wyatt. Approaching chaos: could an ancient archetype save 21st century ivilization?. p. 120.
- Donald P. Hansen, Erica Ehrenberg. Leaving no stones unturned: essays on the ancient Near East and Egypt in honor of Donald P. Hansen. p. 133.