sayyid

noun

1. (in Islamic countries) a supposed descendant of Muhammad through his grandson Hussein, the second son of his daughter Fatima.
2. a title of respect, especially for royal personages.

noun

1. a Muslim claiming descent from Mohammed’s grandson Husain
2. a Muslim honorary title

also sayid, Islamic title of honor, applied to descendants of Hussein, Muhammad’s grandson, 1788, from Arabic sayyid “lord, chief,” perhaps literally “speaker, spokesman.”