Berber languages suggests that the C-Group population — which, along with the Kerma culture, inhabited the Nile valley immediately before the arrival of the first Nubian speakers — spoke Afro-Asiatic languages. Roger Blench (2018) suggests that Proto-Berber speakers had spread from the Nile River valley to North Africa 4,000-5,000 years ago due to the spread of pastoralism, and experienced intense language leveling about 2,000 years ago as the Roman Empire was expanding in North Africa. Hence, although Berber had split off from Afroasiatic several thousand years ago, Proto-Berber itself can only be reconstructed to a period as late as 200 A.D. Blench
Berber languages of a lingua franca which became Proto-Berber. Various orthographies have been used to transcribe the Berber languages. In antiquity, the Libyco-Berber script (Tifinagh) was utilised to write Berber. Early uses of the script have been found on rock art and in various sepulchres. Among these are the 1,500 year old monumental tomb of the Tuareg matriarch Tin Hinan, where vestiges of a Tifinagh inscription have been found on one of its walls. Following the spread of Islam, some Berber scholars also utilised the Arabic script. There are now three writing systems in use for Berber languages: Tifinagh, the Arabic script,