Bānbishn was the Middle Persian title of the Sasanian Queens of Iran. The full version of the title was bānbishnān bānbishn ("Queen of Queens").
Etymology
Although the Old Persian form of bānbishn is not found in any source, it was most likely spelled māna-pashnī, matching the Avestan dəmąnō.paθnī ("mistress"), which is from Old Iranian dmāna-paθnī. The word was later absorbed into the Armenian language, where it was spelled bambishn. The Sogdian version of the word is bāmbusht.
References
Banbishn Wikipedia(Text) CC BY-SA