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predicate (n.)[predicate 词源字典]: mid-15c., a term in logic, from Middle French predicat and directly from Medieval Latin predicatum, from Latin praedicatum "that which is said of the subject," noun use of neuter past participle of praedicare "assert, proclaim, declare publicly," from prae- "forth, before" (see pre-) + dicare "proclaim," from stem of dicere "to speak, to say" (see diction). Grammatical sense is from 1630s. Related: Predicative; predicator; predicatory.[predicate etymology, predicate origin, 英语词源]
predicate (adj.): 1887, from Latin praedicatus, past participle of praedicare "proclaim, announce" (see predicate (n.)).
predicate (v.): 1550s, back formation from predication, or else from Latin praedicatus, past participle of praedicare "proclaim, announce" (see predicate (n.)). Related: Predicated; predicating. Phrase predicated on "founded on, based on," is American English, first recorded 1766.
predication (n.): early 14c., from Old French predicacion (12c.) and directly from Medieval Latin predicationem, from Latin praedicationem (nominative praedicatio) "a foretelling, prediction," noun of action from past participle stem of praedicare (see predicate (n.)).
predict (v.): 1620s (implied in predicted), "foretell, prophesy," 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" (see diction). Related: Predicted; predicting.
predictability (n.): 1855, from predictable + -ity.
predictable (adj.): 1820, from predict + -able. Related: Predictably, which in the sense "as could have been predicted" is attested from 1914.
prediction (n.): 1560s, from Middle French prédiction and directly from Medieval Latin predictionem (nominative predictio), from Latin praedictio "a foretelling," noun of action from past participle stem of praedicere (see predict).
predictive (adj.): 1650s, from Late Latin praedictivus, from praedict-, past participle stem of praedicere (see predict).
predictor (n.): 1650s, from Medieval Latin praedictor, agent noun from praedicere (see predict). Statistical sense is from 1950.
predilection (n.): 1742, from French prédilection (16c.), noun of action from Medieval Latin praedilectus, past participle of prediligere "prefer before others," from Latin prae- "before" (see pre-) + diligere "choose, love" (see diligent).
predispose (v.): 1640s, "to put into a certain frame of mind," perhaps a back-formation from predisposition. Related: Predisposed; predisposing.
predisposition (n.): 1620s, from pre- + disposition.
prednisone (n.): 1955, probably from elements of pregnadiene (from pregnane, name of the compound from which pregnancy hormones were derived, from the Latin stem of pregnancy) + ending from cortisone.
predominance (n.): 1590s; see predominant + -ance.
predominant (adj.): 1570s, from Middle French prédominant (14c.), from Medieval Latin *praedominantem (nominative praedominans), present participle of *praedominare, from Latin prae- "before" (see pre-) + dominari "to rule" (see dominate). Related: Predominantly.
predominate (v.): 1590s, from Medieval Latin predominatus, past participle of predominare (see predominant). Related: Predominated; predominating; predominatingly.
preemie (n.): "baby born prematurely," 1927, premy, American English shortening of premature + -y (2). Spelling with -ie attested from 1949.
preen (v.): "to trim, to dress up," late 14c., perhaps a variation of Middle English proynen, proinen "trim the feather with the beak" (see prune (v.)); or perhaps from Old French poroindre "anoint before," and Old French proignier "round off, prune." Middle English prene (from Old English preon, a general Germanic word) meant "to pin," and probably influenced the form of this word. Watkins, however, connects it with Latin unguere "to smear, anoint."

Because of the popularity of falconry, bird activities formerly were more closely observed and words for them were more precise in English than today.
Youre hawke proynith and not pikith and she prenyth not bot whan she begynnyth at hir leggys, and fetcheth moystour like oyle at hir taill. ["Book of St. Albans," 1486]
prefab (adj.): 1937, short for prefabricated (see prefabricate). As a noun, "prefabricated housing," from 1942.