Arab-Berber of the Arab conquest of North Africa, and the intermarriage between the Arabian and Persian people who immigrated to those regions and local mainly Roman Africans and other Berber people; in addition, Banu Hilal and Sulaym Arab tribes originating in the Arabian Peninsula invaded the region and intermarried with the local rural mainly Berber populations, and were a major factor in the linguistic, cultural and ethnic Arabization of the Maghreb. Alongside Berber speakers, arabized Berbers form the core of the native populations of the Maghreb, namely Algeria, Libya, Morocco and Tunisia. Arab-Berbers primarily speak variants of Maghrebi Arabic, also known
Proto-Berber language in relation to its determinants (agentive subject, object…) whose syntactic functions are insured by casual elements including the casual affix (ergative) that indicates, as needed, the agent or the subject. Similar elements attested in Cushitic, Chadic and Omotic, and remains preserved in Semitic drove Diakonoff to postulate the same type of syntactic construction for proto-Semitic et proto-Afroasiatic (cf. Diakonoff, 1988, 101 ; cf. equally Allati, 2008, 2011a, 2012). Proto-Berber language Proto-Berber is the reconstructed proto-language from which the modern Berber languages stem. Proto-Berber was an Afroasiatic language, and as such, its descendant Berber languages are cousins to the Egyptian language,