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contrast [contrast 词源字典]: contrast: see statue
[contrast etymology, contrast origin, 英语词源]
Contras (n.): see Contra.
contrast (v.): 1690s, from French contraster (Old French contrester), modified by or from Italian contrastare "stand out against, strive, contend," from Vulgar Latin *contrastare "to withstand," from Latin contra "against" (see contra) + stare "to stand," from PIE root *sta- "to stand" (see stet).

Middle English had contrest "to fight against, to withstand," which became extinct. Modern word re-introduced as an art term. Related: Contrasted; contrasting; contrastive.
contrast (n.): 1711, from contrast (v.).
contrasting (adj.): 1715, present participle adjective from contrast (v.). From 1680s as a verbal noun.
extrasensory (adj.): also extra-sensory, 1934, coined as part of extra-sensory perception in J.B. Rhine's work, from extra- + sensory. Extrasensible (1874) was used earlier in reference to "that which is inaccessible to the senses."
extraspection (n.): "outward observation," 1887, from extra- + ending from introspection.
trash (n.): late 14c., "thing of little use or value, waste, refuse, dross," perhaps from a Scandinavian source (compare Old Norse tros "rubbish, fallen leaves and twigs," Norwegian dialectal trask "lumber, trash, baggage," Swedish trasa "rags, tatters"), of unknown origin. Applied to ill-bred persons or groups from 1604 ("Othello"), and especially of poor whites in the U.S. South by 1831. Applied to domestic refuse or garbage from 1906 (American English). Trash-can attested from 1914. To trash-talk someone or something is by 1989.
trash (v.): "to discard as worthless," 1859, from trash (n.); in the sense of "destroy, vandalize" it is attested from 1970; extended to "criticize severely" in 1975. Related: Trashed; trashing.
trashy (adj.): "worthless, resembling trash," 1610s, from trash (n.) + -y (2). Related: Trashiness.
ultrasonic (adj.): "having frequency beyond the audible range," 1923, from ultra- + sonic. For sense, see supersonic.
ultrasonography (n.): 1960, from ultra- + sonography (see sonogram).
ultrasound (adj.): 1911, from ultra- + sound (n.1). Compare ultrasonic. In reference to ultrasonic techniques of detection or diagnosis it is recorded from 1958.
white trash (n.): 1824, originally Southern U.S. black slang.
The slaves themselves entertain the very highest contempt for white servants, whom they designate as 'poor white trash.' [Fanny Kemble, journal, Jan. 6, 1833]
extrasolar: "Found in or taking place outside the solar system", 1950s: from extra- + solar¹.