“sacramentum” for mystery [cf. Eph. 5:32]. For the word does not express that, nor do I know any Latin word which really gives the meaning of μυστήριον, because “arcanum” [secret] has a wider application than μυστήριον, and “sacrum” [sacred] is of somewhat narrower scope. So I am brought to see that a sacrament is nothing else than an initiatory ceremony or a pledging. For just as those who were about to enter upon litigation deposited a certain amount of money, which could not be taken away except