phyletism
noun
phy·le·tism
ˈfīlətˌizəm
plural -s
: nationalism applied to ecclesiastical affairs
specifically : a doctrine that a nationality should be served by its own independent ecclesiastical administration even on the territory of another church
Word History
Etymology
New Greek phyletismos, from Greek phyletēs fellow tribesman (from phylē tribe, clan, phyle) + -ismos -ism