ʾAbū al-Faraj Hārūn ibn Faraj was a Karaite grammarian of Hebrew who lived in Jerusalem in the first half of the eleventh century. He was attached to the Karaite college (Ar. dār lil-ʿilm) founded by his teacher, Joseph Ibn Nūḥ (Abū Yaʿqūb Yūsuf), and succeeded to its leadership after his death.
The largest of Abū ʿl-Faraj Hārūn’s numerous works in Arabic on the Hebrew language of the Bible is a comprehensive study in eight parts on Hebrew morphology and syntax entitled al-Kitāb al-Mushtamil ʿalā al-Uṣūl wa ‘l-Fuṣūl fī ‘l-Lugha al-ʿIbrāniyya (The Comprehensive Book of General Princ…