Of or relating to catechumens or the catechumenate; characteristic of the instruction or status of those learning about Christianity before full admission.
From 'catechumen' plus the adjective suffix '-ical,' an extended form of '-al' creating a more formal or technical adjective.
When scholars describe the 'catechumenical period' in early church history, they're talking about a fascinating educational system that paralleled and sometimes competed with Roman schools for shaping how young people learned.
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