prochronism

noun

prochro·​nism

ˈprōkrəˌnizəm,

ˈpräk-

plural -s

: an anachronism marked by the assignment of something (as an event) to a date earlier than the actual historical one

Word History

Etymology

Greek prochronos anticipatory (from pro- pro- entry 1 + chronos time) + English -ism

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