What is classical or ecclesiastical pronunciation?
The pronunciation of the ancient Romans, called the classical pronunciation, was modified by Christians in the Middle Ages, when Latin became the language of the church and of the educated class. You may see this pronunciation referred to by a number of names: ecclesiastical, medieval, Church, Christian, or Italian.
How do you pronounce C in ecclesiastical Latin?
c before e, i, y, ae, oe is pronounced ch: coelo (cheh-loh); in all other cases, c is pronounced k: cantus (kahn-toos). cc before e, i, y, ae, oe is pronounced tch: ecce (eht-cheh).