superiorate
/suːˈpɪərɪərət/ /sjuːˈpɪərɪərət/ /sʊˈpɪərɪərət/noun
The position, office, or status of (a) superior; specifically the position or office of head of a religious community.
Origin
Mid 19th century; earliest use found in Dolman's Magazine. From post-classical Latin superioratus period of office of head of a religious community from classical Latin superior + -ātus.