Obreption and subreption

Obreption and subreption (both from the Latin word repo/reptum (genitive), meaning to creep or crawl. The prefix, Ob- means "towards, against, or, in the way of"; Sub- means "under, or, close to") are terms used in ancient Roman law and in the canon law applied by the Catholic church to species of fraud by which an ecclesiastical rescript is obtained.