E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Kai-Omurs (the mighty Omurs),
surnamed Ghil-shah (earths king). Son of Dulavëd, founder of the city Balk, and first of the Kai-Omurs or Paishdadian dynasty of Persia (B.C. 940920). (See PAISDADIAN.)