archiepiscopacy

[ ahr-kee-i-pis-kuh-puh-see ]
/ ˌɑr ki ɪˈpɪs kə pə si /

noun

a form of church government in which power is vested in archbishops.

Origin of archiepiscopacy

1635–45; < Late Latin archiepiscop(us) archbishop + -acy