catechesis
/ˌkætɪˈkiːsɪs/noun
mass noun
1- religious instruction given to a person in preparation for Christian baptism or confirmation, typically using a catechism（基督教）口授教义（传授给准备接受基督教洗礼或坚信礼者的宗教训导, 通常以基督教教理问答的形式进行）。
1.1
- (in Roman Catholic use) religious instruction in general（罗马天主教用语）宗教训示（通称）。
词源
mid 18th cent.: via ecclesiastical Latin from Greek katēkhēsis 'oral instruction'.