Etymology
Advertisement
research (n.)

1570s, "act of searching closely" for a specific person or thing, from French recerche (1530s, Modern French recherche), back-formation from Old French recercher "seek out, search closely" (see research (v.)).

The meaning "diligent scientific inquiry and investigation directed to the discovery of some fact" is attested by 1630s. The general sense of "investigations into things, the habit of making close investigations" is by 1690s. The phrase research and development for "work on a large scale toward innovation" is recorded from 1923.

Related entries & more 
Advertisement
research (v.)

1590s, "investigate or study (a matter) closely, search or examine with continued care," from French recercher, from Old French recercher "seek out, search closely," from re-, here perhaps an intensive prefix (see re-), + cercher "to seek for," from Latin circare "go about, wander, traverse," in Late Latin "to wander hither and thither," from circus "circle" (see circus).

The intransitive meaning "make researches" is by 1781. Sometimes 17c. also "to seek (a woman) in love or marriage." Related: Researched; researching.

Related entries & more 
researcher (n.)

"investigator, inquirer, one who makes researches," 1610s, agent noun from research (v.).

Related entries & more 
*sker- (2)

also *ker-, Proto-Indo-European root meaning "to turn, bend."

It forms all or part of: arrange; circa; circadian; circle; circuit; circum-; circumcision; circumflex; circumnavigate; circumscribe; circumspect; circumstance; circus; cirque; corona; crepe; crest; crinoline; crisp; crown;  curb; curvature; curve; derange;  flounce (n.) "deep ruffle on the skirt of a dress;" krone; ring (n.1) "circular band;" ranch; range; ranger; rank (n.) "row, line series;" research; recherche; ridge; rink; rucksack; search; shrink.

It is the hypothetical source of/evidence for its existence is provided by: Latin curvus "bent, curved," crispus "curly;" Old Church Slavonic kragu "circle;" perhaps Greek kirkos "ring," koronos "curved;" Old English hring "ring, small circlet."

Related entries & more 
Warfarin (n.)
1950, from WARF, acronym from Wisconsin Alumni Research Foundation + -arin, from Coumarin. The organization describes itself as "an independent, nonprofit foundation chartered to support research at the U[niversity of] W[isconsin]-Madison and the designated technology transfer organization for the university."
Related entries & more 
Advertisement
investigative (adj.)

"of or pertaining to investigation, curious and deliberative in research," 1803, from Latin investigat-, past-participle stem of investigare (see investigation) + -ive. Journalism sense is from 1951.

Related entries & more 
re-search (v.)

"to search again, examine repeatedly or anew," 1768, from re- "back, again" + search (v.). With hyphenated spelling and full pronunciation of the prefix to distinguish it from research. As a noun, "a repeated search," by 1746. Related: Re-searched; re-searching.

Related entries & more 
megabuck (n.)

1946, originally "one million dollars," from mega- in the scientific sense + slang buck (n.) "dollar." A jocular coinage of U.S. scientists working on expensive atomic research.

Related entries & more 
think tank (n.)
also think-tank, 1959 as "research institute" (first reference is to Center for Behavioral Sciences, Palo Alto, Calif.); it had been colloquial for "the brain" since 1905. See think + tank (n.).
Related entries & more 
field-work (n.)
1767, "gathering statistics or doing research out-of-doors or on-site," from field (n.) + work (n.). From 1819 in reference to a type of military fortification raised by troops in the field.
Related entries & more