autocephaly
/ˌɔːtə(ʊ)ˈsɛfəli/ /ˌɔːtə(ʊ)ˈsɛf(ə)li/ /ˌɔːtə(ʊ)ˈkɛfəli/Christian Church
noun
Especially among Eastern Orthodox Churches: the state or condition of having a presiding bishop, etc., who is independent of external jurisdiction.
Origin
Mid 19th century. From post-classical Latin autocephalia from autocephalus + -ia.