Mid 19th century (in an earlier sense). From classical Latin poena penalty, punishment, satisfaction, revenge, unpleasant consequence, in post-classical Latin also suffering, affliction from ancient Greek ποινή blood money, fine, penalty, satisfaction, reward from the same Indo-European base as Avestan kaenā vengeance, reparation and, with a different ablaut grade, Old Church Slavonic cěna, Russian cena, and Lithuanian kaina all in sense ‘price’. Compare earlier poena damni, subpoena.