Antedate

//ˈæntiˌdeɪt// noun, verb

Definitions

Noun
  1. 1
    Prior date; a date antecedent to another which is the actual date.
  2. 2
    anticipation obsolete
Verb
  1. 1
    To occur before an event or time; to exist further back in time.

    "I suppose you know all about the fearful myths antedating the coming of man to the earth—the Yog-Sothoth and Cthulhu cycles—which are hinted at in the Necronomicon."

  2. 2
    establish something as being earlier relative to something else wordnet
  3. 3
    To assign a date to a document or action earlier than the actual date.

    "Tomorrow when you leav’st, what wilt thou say? / Wilt thou then antedate some new-made vow?"

  4. 4
    be earlier in time; go back further wordnet
  5. 5
    To find earlier citational evidence for a term.

    "Furthermore, while OED entries are generally regarded as a good indication of when terms were first used in English, for 5 of the 7 terms the present research has been able to antedate OED’s earliest attestations, usually by a decade or more."

Etymology

Etymology 1

From ante- + date.

Etymology 2

From ante- + date.

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