A term used by Arabs and Persians to refer specifically to the Byzantine (Eastern Roman) emperors.
"Kayesrar" is a variant spelling of (or Qaisar ), a title and name with deep roots in Roman, Persian, and Islamic history . It is the Arabic and Persian adaptation of the Roman imperial title Caesar , evolving through history from a family name to a symbol of absolute power and majesty. 1. Etymology and Linguistic Evolution Kayesrar
Following the conquest of Constantinople in 1453, Ottoman Sultan Mehmed the Conqueror took this title, meaning "Caesar of Rome". A term used by Arabs and Persians to