Definition - A figure of speech where a future event is treated as if it were in the past.

Example -
I'm dead! Get away while you still can!

Etymology -
The word means "anticipation" in Greek.

Oxford English Dictionary -
Its first citation is from 1578:
"The answer is easy to be made, if we grant that the figure Prolepsis is in the speech of Moses [see Gen. xi. 31, xii. 1]."
(Timme Caluine on Gen. 264)

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