The book of the languages ​​of the tribes contained in the Qur'an, its author: It is Abu Ubaid al -Qasim bin Salam, Abu Ubaid al -Alam asked, heard the hadith, studied literature, and considered jurisprudence, he resided in Baghdad for a period, then the judiciary, Peteros, then went out to Mecca, so he dwelt until he died with it From his books: Gharib Al -Hadith, Book of Money, and Proverbs, he died in 224 AH. Al -Khatib Al -Baghdadi said about him: "One of the imams was in religion and a knowledge of the flags of Muslims." And Al -Dhahabi said about him: "Among the scholars of Baghdad are the grammaticals of the Kofayn's doctrine, the linguistics and the stranger, on the Basrin, the Kufic, and the scholars with readings, and who collected a kind of science, He classified books in every art of science and literature and more. " And the book talks about the languages ​​contained in the words of the Holy Qur'an, and it is considered one of the oldest books composed in this section with the book of the languages ​​of the Qur'an for fur, and the author mentions the surah and then mentions a word in it from what was from the language of a famous tribe, so he mentions its meaning, and he says, for example: "(Razza) means The torment is in a language, (Bagha), envy of Tamim. He continued so until the end of the Qur'an, where the book was sealed with Surat Al -Adiyat.