compulsion by threat or force; coercion; constraint.
2.
Law. such constraint or coercion as will render void a contract or other legal act entered or performed under its influence.
3.
forcible restraint, especially imprisonment.
Origin: 1275–1325; Middle English duresse < Middle French duresse, -esce, -ece < Latin dūritia hardness, harshness, oppression, equivalent to dūr(us) hard + -itia-ice
c.1320, "harsh or severe treatment," from O.Fr. duresse, from L. duritia "hardness," from durus "hard" (see endure). Sense of "forcible restraint" is from c.1430; that of "coercion" is from 1596.