verb/katekiˈθaɾ/
to catechize
Borrowed from Late Latin catēchizāre (“to teach by word of mouth”), from Ancient Greek κατηχίζω (katēkhízō, “to instruct orally”), from κατηχέω (katēkhéō, “to resound, instruct orally”), from κατά (katá, “down”) + ἠχή (ēkhḗ, “sound, noise”).