The office, territory, or jurisdiction of an eparch; the Eastern equivalent of a bishopric.
From eparch + -ate (office or position). Similar to how 'bishopric' describes a bishop's domain, eparchate describes an eparch's authority and territory.
Just like 'duchy' is the territory of a duke, an eparchate is the geographic and spiritual territory controlled by an eparch—it's the administrative unit of Eastern Christian churches.
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