This publication provides definitions, summaries and extensive citations of the terminology in the philological commentary on the Qur'?n, by al-Farr?' (d. 207/822). This Lexicon provides the first comprehensive study of the K?fan terminology based on an extant K?fan source.

Naphtali Kinberg, Ph.D. (1977) in Near Eastern Studies, University of Michigan, was, until his untimely death in 1997, Senior Lecturer of Arabic at Tel Aviv. He published extensively on Arabic linguistics, including medieval Arabic and Hebrew grammarians.