A culprit, under English law properly the prisoner at the bar, is one accused of a crime. The term is used, generally, of one guilty of an offence. In origin the word is a combination of two Anglo-French legal words, culpable: guilty, and prit or prest: Old French: ready. On the prisoner at the bar pleading not guilty, the clerk of the crown answered culpable, and states that he was ready (prest) to join issue. The words "cul.