Meaning of accumulative treason in English:

accumulative treason

noun

historical Law
  • Actions which are not treasonous in themselves but which collectively are judged to constitute treason.

    In later use chiefly with reference to Thomas Wentworth, 1st Earl of Strafford, who was executed for treason in 1641.

Origin

Mid 17th century; earliest use found in Briefe Relation Answeres Earle of Strafford.