Abu Jaʿfar An-Nahhas—whose full name was Abū Jaʿfar Ahmad Ibn Muhammad Ibn Ismail Ibn Yūnus al-Murādi, surnamed an-Nahhās "copper-worker" (a term for artisans who make brass vessels)—was born in Fustat, he studied in Baghdad under the foremost grammarians of the period like al-Zajjāj who familiarised him with the Kitāb by the famed grammarian Sībawayh (d. c.180/796). He also studied philology with ʿAlī b. Sulaymān al-Akhfash al-Aṣghar (d. 315/927) and Nifṭawayh (d. 323/935). He is the author of an influential work on abrogation, Al-Nasīkh wal-Mansūkh. He wrote a treatise on the grammatical analysis of the Qur'an and a grammatical primer known as "The Apple" (التفاحة at-Tuffāha), besides works on poetry, including a commentary on the Mu'allaqat.
