英语词源字典 - 在线词源网站

impoverish (v.)[impoverish 词源字典]: early 15c., empoverischen, from Old French empoveriss-, stem of empoverir, from em- + povre "poor" (see poor). Related: Impoverished; impoverishing.[impoverish etymology, impoverish origin, 英语词源]
impoverishment (n.): 1550s; see impoverish + -ment.
impracticable (adj.): "incapable of being done," 1670s, from assimilated form of in- (1) "not, opposite of" + practicable. Earlier in a sense of "impassable" (1650s).
impractical (adj.): 1823, from assimilated form of in- (1) "not, opposite of" + practical. Impracticable in the same sense dates from 1670s.
imprecate (v.): 1610s, probably a back-formation from imprecation. Related: Imprecated; imprecating; imprecatory (1580s).
imprecation (n.): mid-15c., "a curse, cursing," from Latin imprecationem (nominative imprecatio), from past participle stem of imprecari "invoke, pray, call down upon," from assimilated form of in- "into, in, within" (see in- (2)) + precari "to pray, ask, beg, request" (see pray). "Current limited sense is characteristic of human nature." [Weekley]
imprecise (adj.): 1805, from assimilated form of in- (1) "not, opposite of" + precise. Related: Imprecisely.
imprecision (n.): 1803, from assimilated form of in- (1) "not, opposite of" + precision.
impregnable (adj.): early 15c., imprenable "impossible to capture," from Middle French imprenable "invulnerable," from assimilated form of in- "not, opposite of" (see in- (1)) + Old French prenable "assailable, vulnerable" (see pregnable). With intrusive -g- 16c., on model of deign, reign, etc. Related: Impregnability.
impregnate (v.): c. 1600, from Late Latin impraegnatus "pregnant," past participle of impraegnare "to render pregnant," from assimilated form of in- "into, in" (see in- (2)) + praegnare "make pregnant" (see pregnant). Earlier in same sense was impregn (1530s).
impregnation (n.): late 14c., "making or becoming pregnant," from Old French impregnacion, from Late Latin impregnationem (nominative impregnatio), from impraegnare (see impregnate).
impresario (n.): 1746, from Italian impresario "operatic manager," literally "undertaker (of a business)," from impresa "undertaking," fem. of impreso, past participle of imprendere "undertake," from Vulgar Latin imprendere, from assimilated form of in- "into, in, on, onto" (see in- (2)) + prehendere "to grasp" (see prehensile).
imprescriptible (adj.): "inalienable, not subject to prescription," 1560s, French imprescriptible (16c.) or a native formation from assimilated form of in- (1) "not, opposite of" + Latin praescriptus, past participle of praescribere "to write beforehand" (see prescribe). Usually with right. Alternative imprescribable is attested from 1887.
impress (v.): late 14c., "have a strong effect on the mind or heart," from Latin impressus, past participle of imprimere "press into or upon, stamp," from assimilated form of in- "into, in, on, upon" (see in- (2)) + premere "to press" (see press (v.1)). Literal sense of "to apply with pressure, make a permanent image in, indent, imprint" is from early 15c. in English. Sense of "to levy for military service" is from 1590s, a meaning more from press (v.2). Related: Impressed; impressing.
impress (n.): "act of impressing," also "characteristic mark," 1590s, from impress (v.).
impressed (adj.): early 15c., "pressed or forced upon" (the mind), past participle adjective from impress (v.).
impression (n.): late 14c., "mark produced by pressure," also "image produced in the mind or emotions," from Old French impression "print, stamp; a pressing on the mind," from Latin impressionem (nominative impressio) "onset, attack," figuratively "perception," literally "a pressing into," from imprimere (see impress). Meaning "act or process of indenting" is early 15c.; that of "printing of a number of copies" is from 1570s. Meaning "belief, vague notion" (as in under the impression) is from 1610s.
impressionable (adj.): 1836, formed on French model, from impression + -able. Earlier was impressible (1620s).
impressionism (n.): 1839 as a term in philosophy, from impression + -ism. Specifically with reference to the French art movement from 1882, from impressionist.
impressionist: as a style of painting aiming to represent overall impressions rather than exact details, first attested in English 1876 (adjective and noun), coined in French 1874 by French critic Louis Leroy ("école impressionniste") in a disparaging reference to Monet's sunset painting "Impression, Soleil Levant." Later extended to other arts.