Where does “Ismaili” come from?
Ismaili derives from Arabic إِسْمَاعِيلِيّ, an adjective formed from the proper name Ismāʿīl (Ishmael), referring to followers of Ismāʿīl ibn Jaʿfar in Islamic tradition.
Ismaili (English): A follower of Ismailism
Ancestry of “Ismaili”, step by step