Arab-Berber Arabization process in the Maghreb. Various population genetics studies along with historians such as Gabriel Camps and Charles-André Julien lend support to the idea that the bulk of the gene pool of modern Maghrebis, irrespective of linguistic group, is derived from the Berber populations of the pre-Islamic period. Arab-Berber Arab-Berbers (; ) are an ethnic group native to Maghreb, a North African region along the Mediterranean Sea and the Atlantic Ocean. Arab-Berbers are people of mixed Berber and Arab origin and whose native language is a variant of Maghrebi Arabic. Many Arab-Berbers identify primarily as Arab and secondarily as Berber.
Proto-Berber language the basis of the lexical reconstruction of livestock-herding, a Proto-Berber 1 (PB1) stage around 7,000 years ago and a Proto-Berber 2 (PB2) stage as the direct ancestor of contemporary Berber languages. In the third millennium BC, proto-Berber speakers spread across the area from Morocco to Egypt. In the last millennium BC, another Berber expansion created the Berber peoples noted in Roman records. The final spread occurred in the first millennium BC, when the Tuareg, now possessing camels, moved into the central Sahara; in the past, the northern parts of the Sahara were much more inhabitable than they are now. The