Yezdegerdian
Yez`de`ger´di`an
a. | 1. | Of or pertaining to Yezdegerd, the last Sassanian monarch of Persia, who was overthrown by the Mohammedans; as, the Yezdegerdian era, which began on the 16th of June, a. d. 632. The era is still used by the Parsees. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.