英语词源字典 - 在线词源网站

compression (n.)[compression 词源字典]: c. 1400, from Middle French compression (14c.), from Latin compressionem (nominative compressio) "a pressing together," noun of action from past participle stem of comprimere "to squeeze" (see compress (v.)). Related: Compressional. Compressional wave is attested from 1887.[compression etymology, compression origin, 英语词源]
decompression (n.): 1905, from de- + compression.
depression (n.): late 14c. as a term in astronomy, from Old French depression (14c.) or directly from Latin depressionem (nominative depressio), noun of action from past participle stem of deprimere "to press down, depress" (see depress).

Attested from 1650s in the literal sense; meaning "dejection, depression of spirits" is from early 15c. (as a clinical term in psychology, from 1905); meteorological sense is from 1881 (in reference to barometric pressure); meaning "a lowering or reduction in economic activity" was in use by 1826; given a specific application (with capital D-) by 1934 to the one that began worldwide in 1929. For "melancholy, depression" an Old English word was grevoushede.
expression (n.): early 15c., "action of pressing out;" later "action of manifesting a feeling" (mid-15c.); "a putting into words" (late 15c.); from Middle French expression (14c.), from Late Latin expressionem (nominative expressio) "expression, vividness," in classical Latin "a pressing out, a projection," noun of action from past participle stem of exprimere "represent, describe," literally "press out" (see express (v.)). Meaning "an action or creation that expresses feelings" is from 1620s. Of the face, from 1774. Occasionally the word also was used literally, for "the action of squeezing out." Related: Expressional.
expressionist (adj.): 1850 in reference to an artist who seeks to portray the emotional experience of the subject, from expression (which was used in the fine arts by 1715 with a sense "way of expressing") + -ist. Modern sense is from 1914, from expressionism (from 1908 as an artistic style or movement). As a noun from 1880. Related: Expressionistic.
expressionless (adj.): 1831, "giving no expression," from expression + -less. Shelley used it with a sense of "unexpressed" (1819).
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.
impressionistic (adj.): 1886; see impressionist + -ic.
oppression (n.): mid-14c., "cruel or unjust use of power or authority," from Old French opression (12c.), from Latin oppressionem (nominative oppressio) "a pressing down; violence, oppression," noun of action from past participle stem of opprimere (see oppress). Meaning "action of weighing on someone's mind or spirits" is from late 14c.
post-impressionism (n.): 1910, from post- + impressionism.
repression (n.): late 14c., noun of action from repress (v.), or else from Medieval Latin repressionem (nominative repressio), noun of action from past participle stem of Latin reprimere. Psychological sense is from 1908; biochemical sense is from 1957.
suppression (n.): early 15c., from Latin suppressionem (nominative suppresio), noun of action from past participle stem of supprimere (see suppress).