英语词源字典 - 在线词源网站

illusion (n.)[illusion 词源字典]: mid-14c., "act of deception," from Old French illusion "a mocking, deceit, deception" (12c.), from Latin illusionem (nominative illusio) "a mocking, jesting, irony," from illudere "mock at," literally "to play with," from assimilated form of in- "at, upon" (see in- (2)) + ludere "to play" (see ludicrous). Sense of "deceptive appearance" developed in Church Latin and was attested in English by late 14c. Related: Illusioned "full of illusions" (1920).[illusion etymology, illusion origin, 英语词源]
illusionary (adj.): 1886, from illusion + -ary.
illusionist (n.): "conjurer, magic act performer," 1840, from illusion + -ist. Earlier "one suffering from illusions" (1812).
illusive (adj.): "deceptive, illusory," formed in English 1670s, from stem of illusion + -ive. Also see illusory.
illusory (adj.): 1590s, from French illusorie, from Late Latin illusorius "ironical, of a mocking character," from illus-, past participle stem of Latin illudere "mock at," literally "to play with," from assimilated form of in- "at, upon" (see in- (2)) + ludere "to play" (see ludicrous).
illustrate (v.): 1520s, "light up, shed light on;" 1610s, "educate by means of examples," back-formation from illustration, and in some cases from Latin illustratus, past participle of illustrare (see illustration). Sense of "provide pictures to explain or decorate" is 1630s. Related: Illustrated; illustrating.
illustration (n.): c. 1400, "a shining;" early 15c., "a manifestation;" mid-15c., "a spiritual illumination," from Old French illustration "apparition, appearance," and directly from Latin illustrationem (nominative illustratio) "vivid representation" (in writing), literally "an enlightening," from past participle stem of illustrare "light up, make light, illuminate;" figuratively "make clear, disclose, explain; adorn, render distinguished," from assimilated form of in- "in" (see in- (2)) + lustrare "make bright, illuminate," related to lucere "shine," lux "light" (see light (n.)). Mental sense of "act of making clear in the mind" is from 1580s. Meaning "an illustrative picture" is from 1816.
illustrative (adj.): 1640s, from illustrate + -ive.
illustrator (n.): 1590s, "one who enlightens," from illustrate + Latinate agent-noun suffix -or. Meaning "one who draws pictures" is 1680s.
illustrious (adj.): 1560s, from Latin illustris "lighted, bright, brilliant;" figuratively "distinguished, famous," probably a back-formation from illustrare "embellish, distinguish, make famous" (see illustration). Sometimes also illustrous. Replaced illustre in same sense (mid-15c.), from Middle French illustre.
illy (adv.): "in an ill manner," 1540s, from ill (adj.) + -ly (2).
Illyria: ancient country on the northeast shore of the Adriatic in modern Croatia; the name is of obscure origin.
Ilocano: from Philippine Spanish Ilocos, literally "river men," from Tagalog ilog "river."
im-: variant of in- before -b-, -m-, -p-, in the sense of "not, opposite of" (immobile, impersonal) as well as "in, into" (implant, impoverish). See in-. In some English words it alternates with em- (1).
image (n.): c. 1200, "piece of statuary; artificial representation that looks like a person or thing," from Old French image "image, likeness; figure, drawing, portrait; reflection; statue," earlier imagene (11c.), from Latin imaginem (nominative imago) "copy, statue, picture," figuratively "idea, appearance," from stem of imitari "to copy, imitate" (see imitation).

Meaning "reflection in a mirror" is early 14c. The mental sense was in Latin, and appears in English late 14c. Sense of "public impression" is attested in isolated cases from 1908 but not in common use until its rise in the jargon of advertising and public relations, c. 1958.
image (v.): late 14c., "to form a mental picture," from Old French imagier, from image (see image (n.)). Related: Imaged; imaging.
imagery (n.): mid-14c., "piece of sculpture, carved figures," from Old French imagerie (13c.), from imagier "painter," from image (see image (n.)). Meaning "ornate description" (in poetry, etc.) is from 1580s.
imaginable (adj.): late 14c., ymaginable, from Old French imaginable and directly from Late Latin imaginabilis, from Latin imaginari (see imagine). Related: Imaginably.
imaginary (adj.): "not real," late 14c., ymaginaire, from imagine + -ary; or else from Late Latin imaginarius "seeming, fancied," from imaginari. Imaginary friend (one who does not exist) attested by 1789.
imagination (n.): "faculty of the mind which forms and manipulates images," mid-14c., ymaginacion, from Old French imaginacion "concept, mental picture; hallucination," from Latin imaginationem (nominative imaginatio) "imagination, a fancy," noun of action from past participle stem of imaginari (see imagine).