Predict

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early 17th century: from Latin praedict- ‘made known beforehand, declared’, from the verb praedicere, from prae- ‘beforehand’ + dicere ‘say’.

wiktionary

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Early 17th century, from Latin praedīcō(“to mention beforehand”) (perfect passive participle praedictus), from prae-(“before”) + dīcō(“to say”). Equivalent to Germanic forespeak, foretell, and foresay.

etymonline

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predict (v.)

1620s (implied in predicted), "foretell, prophesy, declare before the event happens," a back formation from prediction or else from Latin praedicatus, past participle of praedicere "foretell, advise, give notice," from prae "before" (see pre-) + dicere "to say" (from PIE root *deik- "to show," also "pronounce solemnly"). Related: Predicted; predicting.