Abstract

The purpose of this article is to examine the concept of ummu'l-bâb and its philosophy in Arabic grammar. The study consists of titles such as conceptual framework, ummu'l-bâb in Arabic grammar and its philosophy, words considered ummu’l-bâb and their properties. Although the concept of Ummu'l-bâb is one of the noteworthy concepts in Arabic grammar, it is a concept that has not been studied much, it is a concept that is mostly used in classical works. This concept refers to the words that meet at a common denominator with their peers under the same roof and mold at some basic points and differ from them with some specific features. Especially, the main characteristics of them are that they are widely used in Arabic and that their usage areas are wider and more inclusive than similar ones. Have some features that are not found in words similar to them, and that they have the most important element and central position in their own mold constitute the logic of their being called ummu'l-bâb.