x1 reflects Sananian/Sasanid/Neo-Persian Empire culture/nationality or Middle Persian language in aspect x2.
Reflecting greater Persia during the period from A.D. 224 to A.D. 651. This word is derived from Ērānshahr, Middle Persian name for the Sasanian Empire. See also kulnrfarsi, bangrfarsi, bangrxironi, kulnrxironi, gugde'ironi, gugde'iru, iRON, te'yRON.