word-forming element meaning "before," from Old French pre- and Medieval Latin pre-, both from Latin prae (adverb and preposition) "before in time or place," from PIE *peri- (source also of Oscan prai, Umbrian pre, Sanskrit pare "thereupon," Greek parai "at," Gaulish are- "at, before," Lithuanian prie "at," Old Church Slavonic pri "at," Gothic faura, Old English fore "before"), extended form of root *per- (1) "forward," hence "beyond, in front of, before."

The Latin word was active in forming verbs. Also see prae-. Sometimes in Middle English muddled with words in pro- or per-.

*kaə-id-, Proto-Indo-European root meaning "to strike."

It forms all or part of: abscise; avicide; biocide; caesarian; caesura; cement; chisel; -cide; circumcise; circumcision; concise; decide; decision; deicide; excise (v.); excision; felicide; feticide; filicide; floricide; fratricide; fungicide; gallinicide; genocide; germicide; herbicide; homicide; incise; incision; incisor; infanticide; insecticide; legicide; liberticide; libricide; matricide; parricide; patricide; pesticide; precise; precision; prolicide; scissors; senicide; spermicide; suicide; uxoricide; verbicide.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit skhidati "beats, tears;" Latin caedere "to strike down, fell, slay;" Lithuanian kaišti "shave;" Armenian xait'em "to stab;" Albanian qeth "to shave;" Middle Dutch heien "to drive piles," Old High German heia "wooden hammer," German heien "beat."

late 14c., adquisicioun, "act of obtaining," from Old French acquisicion "purchase, acquirement" (13c., Modern French acquisition) or directly from Latin acquisitionem (nominative acquisitio), noun of action from past-participle stem of acquirere "get in addition, accumulate," from ad "to," here perhaps emphatic (see ad-), + quaerere "to seek to obtain" (see query (v.)).

The meaning "thing obtained" is from late 15c. The vowel change of -ae- to -i- in Latin is due to a phonetic rule in that language involving unaccented syllables in compounds.

1804, from assimilated form of in- (1) "not, opposite of" + precise. Earlier was unprecise (1756). Related: Imprecisely.

"concise statement, summary, abstract," 1760, from French précis, noun use of précis "cut short, condensed" (see precise). As a verb, from 1856.

"definiteness, exactness, character of being precise," 1560s, from precise + -ness.

"one devoted to precision," 1570s, from precise + -ian on model of Christian, etc., or from or based on French précisien. Especially "one who adhered punctiliously to rules or doctrines." Precisionist in the same sense is by 1827.

"too precise, over-particular," 1895, probably Southern U.S. dialect, first attested in Joel Chandler Harris, perhaps an alteration of precise (q.v.), or a merger of prim and sissy [OED]. Related: Prissily; prissiness.

["]Then Mrs Blue Hen rumpled up her feathers and got mad with herself, and went to setting. I reckon that's what you call it. I've heard some call it 'setting' and others 'sitting.' Once, when I was courting, I spoke of a sitting hen, but the young lady said I was too prissy for anything."

"What is prissy?" asked Sweetest Susan.

Mr. Rabbit shut his eyes and scratched his ear. Then he shook his head slowly.

"It's nothing but a girl's word," remarked Mrs. Meadows by way of explanation. "It means that somebody's trying hard to show off."

"I reckon that's so," said Mr. Rabbit, opening his eyes. He appeared to be much relieved.

[Joel Chandler Harris, "Mr. Rabbit at Home"]