英语词源字典 - 在线词源网站

demoniac (adj.)[demoniac 词源字典]: c. 1400, "possessed, insane," earlier (late 14c.) as a noun, "one who is possessed," from Late Latin daemoniacus, from Greek daimoniakos "possessed by a demon," from diamon (see demon).[demoniac etymology, demoniac origin, 英语词源]
demonic (adj.): 1660s, from Latin daemonicus, from daemon (see demon). Demonical is from late 15c.
demonize (v.): 1821, "to make into a demon" (literally or figuratively), from Medieval Latin daemonizare, from Latin daemon (see demon). Greek daimonizesthai meant "to be possessed by a demon." Related: Demonized; demonizing.
demonology (n.): 1590s; see demon + -ology.
demonstrable (adj.): c. 1400, from Latin demonstrabilis, from demonstrare (see demonstration). Related: Demonstrably.
demonstrate (v.): 1550s, "to point out," from Latin demonstratus, past participle of demonstrare (see demonstration). Meaning "to point out by argument or deduction" is from 1570s. Related: Demonstrated; demonstrating.
demonstration (n.): late 14c., "proof that something is true," from Old French demonstration or directly from Latin demonstrationem (nominative demonstratio), noun of action from past participle stem of demonstrare "to point out, indicate, demonstrate," figuratively, "to prove, establish," from de- "entirely" (see de-) + monstrare "to point out, show," from monstrum "divine omen, wonder" (see monster). Meaning "public show of feeling," usually with a mass meeting and a procession, is from 1839. Related: Demonstrational.
demonstrative (adj.): late 14c., "characterized by logic, based on logic," from Old French démonstratif (14c.), from Latin demonstrativus "pointing out, demonstrating," from past participle stem of demonstrare (see demonstration). Grammatical sense, "pointing out the thing referred to," is mid-15c. Meaning "given to outward expressions of feelings" is from 1819. Demonstrative pronoun is late 16c.
demonstrator (n.): 1610s, "one who points out," agent noun in Latin form from demonstrate. From 1680s as "one who uses exhibits as a method of teaching;" 1870 as "one who participates in public demonstrations."
demoralize (v.): c. 1793, "to corrupt the morals of," from French démoraliser, from de- "remove" (see de-) + moral (adj.) (see moral). Said to be a coinage of the French Revolution. Sense of "lower the morale of" (especially of armies) is first recorded 1848. Related: Demoralized; demoralizing.
demote (v.): 1881, American English coinage from de- + stem of promote. Said to have been Midwestern in origin.
Regarding an antithesis to 'promote,' the word universally in use in Cambridge, in Harvard College, is drop. The same word is in use in the leading schools here (Boston). I hope I may be counted every time against such barbarisms as 'demote' and 'retromote.' [Edward Everett Hale, 1892, letter to the publishers of "Funk & Wagnalls' Standard Dictionary"]
Related: Demoted; demoting.
demotic (adj.): 1822, from Greek demotikos "of or for the common people, in common use," from demos "common people," originally "district," from PIE *da-mo- "division," from root *da- "to divide" (see tide). In contrast to hieratic. Originally of the simpler of two forms of ancient Egyptian writing; broader sense is from 1831; used of Greek since 1927.
demotion (n.): 1901, agent noun from demote (v.).
demotivate (v.): 1976; see de- + motivate. Related: Demotivated; demotivating.
Dempsey: surname, from Irish Ó Diomasaigh "descendant of Diomasach," literally "proud."
demulcent (adj.): 1732, from Latin demulcentem (nominative demulcens), present participle of demulcere "to stroke down, soothingly pet," from de- (see de-) + mulcere "to soothe."
demur (v.): c. 1200, "to linger, tarry, delay," from Old French demorer "delay, retard," from Latin demorari "to linger, loiter, tarry," from de- (see de-) + morari "to delay," from mora "a pause, delay" (see moratorium). Main modern sense of "raise objections" is first attested 1630s. Related: Demurred; demurring.
demure (adj.): late 14c. (early 14c. as a surname), from Old French meur "mature, fully grown, ripe," hence "discreet," from Latin maturus "mature" (see mature (v.)) [OED]. The de- in this word is of uncertain meaning. Or possibly from Anglo-French demuré (Old French demoré), past participle of demorer "stay," and influenced by meur [Barnhart]. Or from Old French de (bon) murs "of good manners," from murs (Modern French moeurs) [Klein].
demurrage (n.): 1640s, from Old French demorage, from demorer (see demur).
demurrer (n.): legal pleading, 1530s, from Anglo-French demurrer, Old French demorer "to delay, retard" (see demur).