Webster's Revised Unabridged Dictionary · 1913

Anachronism

Anachronism ({not transcribed}) , noun

[Greek 'anachronismo`s, from 'anachroni`zein to refer to a wrong time, to confound times; 'ana` + chro`nos time: compare French anachronisme.]

A misplacing or error in the order of time; an error in chronology by which events are misplaced in regard to each other, esp. one by which an event is placed too early; falsification of chronological relation.