Throughout history, the title has been adopted by various powerful dynasties to claim the legacy of Rome:
"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
A term used by Arabs and Persians to refer specifically to the Byzantine (Eastern Roman) emperors. Throughout history, the title has been adopted by
Following the conquest of Constantinople in 1453, Ottoman Sultan Mehmed the Conqueror took this title, meaning "Caesar of Rome". Etymology and Linguistic Evolution A term used by
The term originates from the Roman dictator , whose cognomen became the official title for subsequent Roman and Byzantine emperors.