Webster's Revised Unabridged Dictionary · 1913

Yezdegerdian

Yezdegerdian (?; 277) , adjective

Of or pertaining to Yezdegerd, the last Sassanian monarch of Persia, who was overthrown by the Muslims; as, the Yezdegerdian era, which began on the 16th of June, a. d. 632. The era is still used by the Parsees.