Ex chathedra (English spelling)

...By extension, it also refers to the authority of the bishop and his authoritative teachings. In particular, sermons and pronouncements delivered from this chair were called ex cathedra (a proclamation from the Holy See, or in the case of the Pope, a proclamation from the Holy See), and were considered official and orthodox teachings, and when delivered by the Pope, were considered infallible and infallible. The church in which this chair was located was called an ecclesia cathedralis, or cathedral. ...

*Some of the terminology that mentions "ex chathedra" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…この意味から転じて，司教の権威およびその権威ある教えをも指す。特にこの椅子から行われる説教や宣言は〈エクス･カテドラex chathedra〉(司教座宣言，教皇の場合は聖座宣言)といわれ，公式で正統な教えとされ，それがローマ教皇によってなされた場合には，忌避しえない，不可謬なものと見なされた。この座のある教会が司教座聖堂ecclesia cathedralis，いわゆるカテドラルである。…

※「ex chathedra」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報