إيران - المعرفة
The term Iran derives directly from Middle Persian Ērān, first attested in a third-century inscription at Rustam Relief, with the accompanying Parthian inscription using the term Aryān, in reference to the Iranians. The Middle Iranian ērān and aryān are oblique plural forms of gentilic nouns ēr-(Middle Persian) and ary-(Parthian), both deriving from Proto-Iranian *arya-(meaning "Aryan ...
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