Jansenism (n.) Look up Jansenism at Dictionary.com
1650s, in reference to doctrine of Cornelius Jansen (1585-1638), Catholic bishop of Ypres, who maintained the perverseness and inability for good of the natural human will. The term is prominent in 17c.-18c. religious writing, often as a reproach. The surname is the Flemish equivalent of Johnson. Related: Jansenist.