The Theory of Origin and Branch in Syntax with Al-Okbori in his Book ?Al-Tabien a?an Mathahib Al-Nahwiyyin?

ABSTRACT This research contains the theory of origin and branch in syntax with Al-Okbori in his book ?Altabien ean mathahib Alnahwiyyin?. This research is talking about the concept of the origin and branch. The historical of this concept at the grammatical and brief introduction to Al-Okbori and his own book ?Al-tabien ean mathahib Alnahwiyyin?. Also, he explained the origin and branch in details from many aspects. such as rooting the concept then the meaning of the origin, such as the root of deservedness, the origin of merit, out of abundance, the origin of abstraction of sign, the origin of the rule and the major words. Moreover, this research concludes criteria of origin, historical, and appreciation like the abundance, fewness, lightness and heaviness. To sum up, the characteristics of Al-Okbori is talking about the theory of origin and branch the concept and it function in judging grammatical gaps and so far he mentioned a lot of directive grammar or the overall rules that based on the organ and branch. Keywords: Origin, Branch, Al-Tabienm, Al-Okbori