Brill Encyclopedia of Early Christianity Online

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Ecclesiology is the study of the nature and essence of the church. Ecclesiology is derived from the Greek word ἐκκλησία/ekklesía, meaning “assembly” (Acts 19:39). Ecclesiology includes the organization and practices of Christian communities, as well as theological inquiry about the church based upon Christian doctrine and self-understanding. The earliest C…

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Lee, James K., “Ecclesiology”, in: Brill Encyclopedia of Early Christianity Online, General Editor David G. Hunter, Paul J.J. van Geest, Bert Jan Lietaert Peerbolte. Consulted online on 10 December 2023 <>
First published online: 2018

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