Mazdaism definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Origin: ; from Avestan mazda (see Ormazd) plush -ism
Mazdaism definition by American Heritage Dictionary
Origin: From Avestan mazdå, the good principle, from mazdā-, wise; see Ahura Mazda.