untaken away = not (Greek. me. App-105) unveiled, or revealed (Greek. anakalupto, unveil, only here and 2Co_3:18). This should follow "old testament". It means, "it being not revealed that it is done away" (Revised Version m.)
in. Greek. epi.App-104.
reading. Greek. anagnosis. See Act_13:15.
old testament = old covenant. The only place where the term is used. The usual designation is "the law", or "Moses" (2Co_3:15).