Yezdegerdian
Pronunciation : Yez`de*ger"di*an
Part of Speech : a.
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913