catechize

Meanings

1. To give oral instruction, especially of religion; (specifically) by the formal question-and-answer method; in the Church of England and Roman Catholic Church, to teach the catechism as preparation for confirmation.
2. To question at length.

Etymology

Derived from Latin catēchizāre, from Ancient Greek κατηχίζω (katēkhízō), from κατηχέω (katēkhéō, “to teach (orally)”), from κατά (katá, “down”) + ἠχέω (ēkhéō, “to sound, to resound”).