threat Look up threat at Dictionary.com
O.E. þreat "crowd, troop," also "oppression, menace," related to þreotan "to trouble, weary," from P.Gmc. *threutanan (cf. Ger. verdrießen "to vex"), from PIE *trud- "push, press" (cf. L. trudere "to press, thrust," O.C.S. trudu "oppression," M.Ir. trott "quarrel, conflict," M.Welsh cythrud "torture, torment, afflict"). Sense of "conditional declaration of hostile intention" was in O.E. The verb threaten is O.E. þreatnian; threatening in the sense of "portending no good" is recorded from 1530.