ecclesiology
教会学
解説 Definition
キリスト教の神学の一分野で、教会の性質、組織、役割、歴史などを研究する学問。教会の構造や教義についての理論的研究。
Ecclesiology is the study of the Christian Church, especially its nature, structure, and role. It is used in theology and religious studies when discussing what the church is and how it should be organized. This is a specialized academic and religious term.
覚え方のコツ Memory Tip
まず語尾の -logy を見て「〜学」と固定すると、biology / theology と同じ型で学問名だと分かる。残る ecclesio- は ecclesiastical（教会の）と同じ仲間で、「教会」に結びつけて覚えるとよい。つまり ecclesiology は“church + study”で「教会を理論的に研究する学問」。実際も church structure, church authority, the nature of the church など、教会の組織・本質・役割を論じる場面で出る。ecology と見間違えやすいので、eco-（環境）ではなく ecclesi-（教会）と切って認識するのがコツ。
Look at the ending `-logy`, which often means a field of study, like in `biology` or `theology`. The first part is related to `ecclesiastical`, which is connected to the church. A good memory hook is `church + study`, and be careful not to confuse it with `ecology`.
例文
The professor specializes in ecclesiology and church history.
その教授は教会学と教会史を専門としている。
Ecclesiology examines the theological foundations of the Church.
教会学は教会の神学的基礎を検討する。
Students studying theology must understand basic ecclesiology.
神学を学ぶ学生は基本的な教会学を理解する必要がある。
ecclesiology の類義語・関連語
ecclesiology の語源・成り立ち Etymology
ギリシャ語 ekklēsia（集会・教会）+ -logia（学問）の合成語。ekklēsia は ek-（外へ）+ kalein（呼ぶ）で「呼び集められた人々」が原義。つまり教会の本質や制度を研究する学問。関連語: ecclesiastical（教会の）、-logy（～学）。
Ecclesiology comes from Greek ekklēsia, meaning "assembly" or "church," and -logy, meaning "study of." Ekklēsia itself comes from ek-, "out," and kalein, "to call," so it originally meant people who were called out or gathered together. The word later came to mean the study of the nature and structure of the church. A related English word is ecclesiastical.
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