This study examines the various historical attempts to explain the nisbah—the denominal adjectival appellation—al-Karājikī, of Abū al-Fatḥ Muḥammad b. ʿAlī b. ʿUthmān al-Karājikī, well-known Twelver Shiite theologian and jurist who studied under al-Shaykh al-Mufīd (d. 413/1022) and died in 449/1057. Several biographical sources explain that al-Karājikī’s nisbah means “tent-maker” or “tent-seller,” evidently interpreting karājik as…