'Prescient' is Latin for 'knowing beforehand' — from 'scire' (to know), the root of 'science' itself.
Having or showing knowledge of events before they take place; possessing foresight.
From Latin 'praescientem' (accusative of 'praesciēns'), present participle of 'praescīre' (to know beforehand), from 'prae-' (before) and 'scīre' (to know). The verb 'scīre' is often connected to PIE *skey- (to cut, to separate), suggesting an original concept of knowing as distinguishing or cutting apart — the same metaphorical link between separating and understanding seen in 'discern' (from Latin 'discernere,' to separate by sifting). Key roots: praescīre (Latin: "to know beforehand"), scīre (Latin: "to know"), *skey- (Proto-Indo-European: "to cut, to split").
In medieval theology, 'praescientia' (prescience) was a central concept in debates about divine foreknowledge and free will. If God knows everything before it happens, does that mean human choices are predetermined? Thomas Aquinas, William of Ockham, and other scholastic philosophers devoted enormous energy to reconciling divine prescience with human freedom