Abu Abdullah Jamal al-Din Muhammad bin Muhammad bin Aqil was a Egyptian grammarian of the Shafi’i school. His Sharh (commentary) is considered the primary key to unlocking the Ajrumiyyah . While other commentaries exist (such as that by al-Suyuti), Ibn Aqil’s work is distinguished by its moderate length, clear definitions, and the inclusion of Quranic examples to substantiate grammatical rules.
The most accessible place to find this book is on the Internet Archive . The full PDF of "A Commentary on al-Ajrumiyyah: A Bilingual Rendition of al-Tuhfat al-Saniyyah" is available for free download or online viewing at archive.org/details/a-commentary-on-al-ajrumiyyah_202108 . sharh al-ajrumiyyah english pdf
Distinguishing between Noun (Ism), Verb (Fi'l), and Particle (Harf). Abu Abdullah Jamal al-Din Muhammad bin Muhammad bin
(often referred to as Al-Ajrumiyyah ) is arguably the most famous and foundational text for learning Arabic grammar ( Nahw ) for beginners, second only to the Quran in usage among learners. Written by the 14th-century scholar Ibn Ājarrūm, this concise matn (text) summarizes the core rules of Arabic syntax in a way that is easily memorized. The most accessible place to find this book
Matn Al-Ajrumiyyah (The Al-Ajrumiyyah Text) is an introductory book on Nahu (syntax). Despite its concise nature, it covers the core mechanics of Arabic grammar, including parts of speech, grammatical inflections ( I'rab ), case endings, and the various agents that govern nouns and verbs.