Pa·di·shah 
(pädĭ-shä′)
(pädĭ-shä′)n.
1. Used formerly as a title for the monarch of Iran.
2. Used formerly as a title for the sultan of Turkey.
[Persian pādshāh : Old Persian pati-, master; see poti- in the Appendix of Indo-European roots + Persian shāh, king; see SHAH.]