c.1340, "oppression for the holding of a belief or opinion," from O.Fr.
persecution (12c.), from L.
persecutionem (nom.
persecutio), noun of action from
persequi "pursue, start a legal action," from
per- "through" +
sequi "follow" (see
sequel). The verb
persecute is attested from 1482 in the sense of "to oppress for the holding of a belief or opinion," from M.Fr.
persécuter "pursue, torment, open legal action" (14c.), from L.
persecutus, pp. of
persequi. Psychological
persecution complex is recorded from 1961; earlier
persecution mania (1892).