Berber Revolt tax-collectors finally broke Berber patience. It is reported that following Ubayd Allah ibn al-Habhab's instructions to extract more revenues from the Berbers, Omar ibn al-Moradi, his deputy governor in Tangiers, decided to declare the Berbers in his jurisdiction a 'conquered people' and consequently set about seizing Berber property and enslaving persons, as per the rules of conquest, the 'caliphal fifth' was still owed to the Umayyad state (alternative accounts report he simply doubled their tribute). This was the last straw. Inspired by the Sufrite preachers, the North African Berber tribes of western Morocco - initially, the Ghomara, Berghwata and Miknasa
Proto-Berber language has produced a comprehensive reconstruction of Proto-Berber morphology based on Tuareg. Additional work on the reconstruction of Proto-Berber morphology was done by Maarten Kossmann. Proto-Berber had no grammatical case. Its descendants developed a marked nominative that is still present in Northern Berber and Southern Berber/Tuareg. In some cases, Proto-Berber lost it thereafter, recently in Eastern Berber and Western Berber (Zenaga). The relics of the ancient morphological segments preserved in the modern varieties, in the Libyan inscriptions and in the ancient toponymical stratas show that the basis of word formation is a monosyllabic lexical unit (vc, cvc) whose vowels and consonants