essayyoudaoicibaDictYouDict[essay 词源字典]
essay: [15] Essay and assay [14] are fundamentally the same word, and only began to diverge in the 15th century. Both come via Old French assaier from Vulgar Latin *exagiāre ‘weigh out’, a verb derived from late Latin exagium ‘weighing’; this in turn was formed from the Latin verb exigere ‘weigh’ (source of English exact and examine).

Accordingly, both originally had underlying connotations of ‘testing by weighing’. But while these have become more concrete in assay ‘analyse precious metals’, essay has, under the influence of French essayer, gone down the more metaphorical route from ‘test’ to ‘try’. The verb now survives only in fairly formal use, but the noun is much more frequent, owing to its application to a ‘short nonfictional literary composition’.

It was first used thus in English by Francis Bacon in 1597 as the title of a collection of such pieces, and it is generally assumed that he borrowed the idea from the Essais of Montaigne, published in 1580.

=> assay, exact, examine[essay etymology, essay origin, 英语词源]
AinuyoudaoicibaDictYouDict
people native to northern Japan and far eastern Russia, 1819, from the Ainu self-designation, literally "man, human." Once considered to be Caucasian, based on their appearance; DNA testing has disproved this. Their language is an isolate with no known relatives.
attest (v.)youdaoicibaDictYouDict
1590s, from Middle French attester (Old French atester, 13c.) "affirm, attest," from Latin attestari "confirm," literally "bear witness to," from ad- "to" (see ad-) + testari "bear witness," from testis "witness" (see testament). Related: Attested; attesting.
attestation (n.)youdaoicibaDictYouDict
mid-15c., from Middle French attestation and directly from Latin attestationem (nominative attestatio) "an attesting, testimony," noun of action from past participle stem of attestari "to prove, confirm" (see attest).
contest (v.)youdaoicibaDictYouDict
c. 1600, from French contester "dispute, oppose," from Middle French, from Latin contestari (litem) "to call to witness, bring action," from com- "together" (see com-) + testari "to bear witness," from testis "a witness," (see testament). Calling witnesses as the first step in a legal combat. Related: Contestable; contested; contesting.
contestation (n.)youdaoicibaDictYouDict
1540s, from Latin contestationem (nominative contestatio), "an attesting, testimony," noun of action from past participle stem of contestari (see contest (v.)).
credenza (n.)youdaoicibaDictYouDict
1883, "an Italian sideboard," from Italian credenza, literally "belief, credit," from Medieval Latin credentia (see credence).

The same evolution that produced this sense in Italian also worked on the English word credence, which in Middle English also meant "act or process of testing the nature or character of food before serving it as a precaution against poison," a former practice in some royal or noble households. Because of that, in medieval times it also meant "a side-table or side-board on which the food was placed to be tasted before serving;" hence, in later use, "a cupboard or cabinet for the display of plate, etc." These senses fell away in English, and the modern furniture piece, which begins to be mentioned in domestic interiors from c. 1920, took its name from Italian, perhaps as a more elegant word than homely sideboard.
detest (v.)youdaoicibaDictYouDict
early 15c., "to curse, to call God to witness and abhor," from Middle French détester, from Latin detestari "to curse, execrate, abominate, express abhorrence for," literally "denounce with one's testimony," from de- "from, down" (see de-) + testari "be a witness," from testis "witness" (see testament). Related: Detested; detesting.
examination (n.)youdaoicibaDictYouDict
late 14c., "action of testing or judging; judicial inquiry," from Old French examinacion, from Latin examinationem (nominative examinatio), noun of action from past participle stem of examinare "to weigh; to ponder, consider" (see examine). Sense of "test of knowledge" is attested from 1610s.
examine (v.)youdaoicibaDictYouDict
c. 1300, from Old French examiner "interrogate, question, torture," from Latin examinare "to test or try; consider, ponder," literally "to weigh," from examen "a means of weighing or testing," probably ultimately from exigere "weigh accurately" (see exact (adj.)). Related: Examined; examining.
experiential (adj.)youdaoicibaDictYouDict
1640s (implied in experientially), from Latin experientia "knowledge gained by testing or trials" (see experience (n.)) + -al (1).
experiment (n.)youdaoicibaDictYouDict
mid-14c., "action of observing or testing; an observation, test, or trial;" also "piece of evidence or empirical proof; feat of magic or sorcery," from Old French esperment "practical knowledge, cunning; enchantment, magic spell; trial, proof, example; lesson, sign, indication," from Latin experimentum "a trial, test, proof, experiment," noun of action from experiri "to test, try" (see experience (n.)).
hootenanny (n.)youdaoicibaDictYouDict
"informal session of folk musicians," 1940, American English, earlier "a gadget" (1927), of unknown origin, perhaps a nonsense word.
Another device used by the professional car thief, and one recently developed to perfection, according to a large Chicago lock-testing laboratory, is a "hootenanny," so-called by the criminals using it. ["Popular Mechanics," February 1931]
I.Q.youdaoicibaDictYouDict
1922, abbreviation of intelligence quotient, a 1921 translation of German Intelligenz-quotient, coined 1912 by German psychologist William L. Stern (1871-1938).
Intelligence is a general capacity of an individual consciously to adjust his thinking to new requirements: it is general mental adaptability to new problems and conditions of life. [Stern, "The Psychological Methods of Testing Intelligence," 1914]
optometry (n.)youdaoicibaDictYouDict
1886, from optometer (1738), an instrument for testing vision, from opto- "sight," from Greek optos "seen, visible" (see optic) + -metry. Probably influenced by French optométrie.
poser (n.)youdaoicibaDictYouDict
"one who practices an affected attitude," 1881, agent noun from pose (v.1); revived in teen-ager slang by 1983. Meaning "question that puzzles" is from 1793 from pose (v.2); earlier it meant "one who asks testing questions" (1580s).
probation (n.)youdaoicibaDictYouDict
early 15c., "trial, experiment, test," from Old French probacion "proof, evidence" (14c., Modern French probation) and directly from Latin probationem (nominative probatio) "approval, assent; a proving, trial, inspection, examination," noun of action from past participle stem of probare "to test" (see prove). Meaning "testing of a person's conduct" (especially as a trial period for membership) is from early 15c.; theological sense first recorded 1520s; criminal justice sense is recorded by 1866. As a verb from 1640s. Related: Probationer; probationary.
proof (n.)youdaoicibaDictYouDict
early 13c., preove "evidence to establish the fact of (something)," from Anglo-French preove, Old French prueve "proof, test, experience" (13c., Modern French preuve), from Late Latin proba "a proof," a back-formation from Latin probare "to prove" (see prove). "The devocalization of v to f ensued upon the loss of final e; cf. the relation of v and f in believe, belief, relieve, relief, behove, behoof, etc. [OED].

Meaning "act of proving" is early 14c. Meaning "act of testing or making trial of anything" is from late 14c., from influence of prove. Meaning "standard of strength of distilled liquor" is from 1705. In photography from 1855. Typographical sense of "trial impression to test type" is from c. 1600. Numismatic sense of "coin struck to test a die" is from 1762; now mostly in reference to coins struck from highly polished dies, mainly for collectors.

Adjectival sense (proof against) is recorded from 1590s, from the noun in expressions such as proof of (mid-15c.), hence extended senses involving "tested power" in compounds such as fireproof (1630s), waterproof (1725), foolproof (1902), etc. Shakespeare has shame-proof. Expression the proof is in the pudding (1915) is a curious perversion of earlier proof of the pudding is in the eating (1708), with proof in the sense "quality of proving good or turning out well" (17c.); perhaps an advertiser's condensed form of the original.
protest (v.)youdaoicibaDictYouDict
mid-15c., "to declare or state formally or solemnly," from Old French protester, from Latin protestari "declare publicly, testify, protest" (see protest (n.)). Original sense preserved in to protest one's innocence. Related: Protested; protesting.
salver (n.)youdaoicibaDictYouDict
1660s, "tray," formed in English on the model of platter, etc., from French salve "tray used for presenting objects to the king" (17c.), from Spanish salva "a testing of food or drink" to test for poison (a procedure known as pre-gustation), hence "tray on which food was placed to show it was safe to eat," from salvar "to save, render safe," from Late Latin salvare (see save (v.)).
tentative (adj.)youdaoicibaDictYouDict
1580s, from Medieval Latin tentativus "trying, testing," from Latin tentatus, past participle of tentare "to feel, try." Related: Tentatively; tentativeness.
test (v.)youdaoicibaDictYouDict
1748, "to examine the correctness of," from test (n.), on the notion of "put to the proof." Earlier "assay gold or silver" in a test (c. 1600). Meaning "to administer a test" is from 1939; sense of "undergo a test" is from 1934. Related: Tested; testing.
testimonial (adj.)youdaoicibaDictYouDict
early 15c., "of or pertaining to testimony," in part from testimonial (n.) and from Late Latin testimonialis, from Latin testimonium (see testimony). Originally especially in phrase letters testimonial (Middle French lettres testimoniaulx, Latin litteræ testimoniales) "document or documents attesting to a fact or to the good standing of the bearer," literally "letters serving for evidence."
touchstone (n.)youdaoicibaDictYouDict
late 15c., from touch (v.) in the Middle English sense "to test" (metal) + stone (n.). Fine-grained black quartz, used for testing the quality of gold and silver alloys by the color of the streak made by rubbing them on it. Also see basalt. Figurative sense is from 1530s.
trial (n.)youdaoicibaDictYouDict
mid-15c., "act or process of testing, a putting to proof by examination, experiment, etc.," from Anglo-French trial, noun formed from triet "to try" (see try (v.)). Sense of "examining and deciding of the issues between parties in a court of law" is first recorded 1570s; extended to any ordeal by 1590s. As an adjectival phrase, trial-and-error is recorded from 1806. Trial balloon (1826) translates French ballon d'essai, a small balloon sent up immediately before a manned ascent to determine the direction and tendency of winds in the upper air, though the earliest use in English is figurative.
optometeryoudaoicibaDictYouDict
"An instrument for testing the refractive power of the eye", Mid 18th century: from Greek optos 'seen' + -meter.
examinantyoudaoicibaDictYouDict
"A person conducting a judicial or academic examination", Early 17th century: from Latin examinant- 'weighing, testing', from the verb examinare (see examine).