What is the biblical root of ‘catechism’?
In Luke 1:4, we read Luke writing to Theophilus “it seemed good to me also, having followed all things closely for some time past, to write an orderly account for you, most excellent Theophilus, that you may know the truth concerning the things of which you have been informed (katēcheō).” Katēcheō (Greek.): means to “instruct”