, a term commonly applied in the 2nd-3rd/8th-9th centuries to members of the ʿAbbāsid house and occasionally to their followers and supporters. From early ʿAbbāsid times it was understood to denote the descendants of Hās̲h̲im b. ʿAbd Manāf [q.v.], the common ancestor of the Prophet, ʿAlī, and al-ʿAbbās; its use by the ʿAbbāsids was thus interpreted as expressing a claim to the Caliphate based on kinship with the Prophet in the male line. Van Vloten, followed by other scholars, showed that the name had in fact a different origin. Fro…