"study of punishment and crime prevention," 1838, coined apparently by Francis Lieber, corresponding member of the Philadephia Society for Alleviating the Miseries of Public Prisons, from pen- as in penitentiary (ultimately from Latin poena "penalty, punishment;" see penal) + -ology "study of." Related: Penologist; penological.[penology etymology, penology origin, 英语词源]