Almost all Arabic linguists agree that Ah bin AbiThalibwathe .first initiator and pioneer who cieveloped. Nahwu. This idea was disclosed by Ah when he was ruIig the government. This idea appeared due to some factors, among others is religious factor mainly in the effort of purifying Al-Quran from ‘lahn(misreading). This problem actually existed since the prophetic era, then continued to Khula…