Grammar thought by Ibn Khaldun ***The Arab library abounds from the time of Sibawayh and before and beyond, many books and literature dealing with grammar, Ibn Khaldun was aware of this heavy inheritance and realized the costly and repetitive syntax of this legacy in syntactic composition, and the corruption of codifying the rules of the Arabic tongue as a result of corruption of the linguistic queen, which is the basis of linguistic awareness among Arab people in particular; So Ibn Khaldun attacked the phenomenon of frequent authorship with a violent attack, and he said in it: “I know that it is harmful to people in obtaining knowledge and knowing its goals of frequent authorship and different terminology in education.” Just as Ibn Khaldun did attack the authorship, he also attacked the acronyms, explaining their disadvantages, and he sees that the harm to these acronyms is that - besides weakening the linguistic queen - their failure to become familiar with the general rules that are included in the encyclo