A church leader or ruler; an official in charge of church governance and affairs.
From Greek 'ekklesia' (church) plus 'arches' (ruler), meaning 'church ruler'. The term combines two Greek elements to describe ecclesiastical authority.
This word combines the Greek words for 'church' and 'ruler'—so an ecclesiarch is literally someone who rules the church, making it one of the most direct power-describing terms in religious vocabulary!
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