كِسْرَوِىٌّ

and ↓ كِسْرِىٌّ Of, or relating to, كِسْرَى; rel. ns. from كِسْرَى: (S, Msb, K:) and كَسْرَوِىٌّ alone is the rel. n. from كَسْرَى. (Msb.) [In the TA, it is said that one should not say كَسْرَوِىٌّ; but it seems that what is not allowable is كَسْرِىٌّ.]