英语词源字典 - 在线词源网站

effluence (n.)[effluence 词源字典]: c. 1600, "that which flows out;" 1620s, "act of flowing out," from Late Latin effluentia, from Latin effluentem (nominative effluens) "flowing out," present participle of effluere "to flow out," from ex- "out" (see ex-) + fluere "to flow" (see fluent). Related: Effluency.[effluence etymology, effluence origin, 英语词源]
effluent (adj.): mid-15c., from Latin effluentem "flowing out" (see effluence). As a noun, "that which flows out," from 1859; specific meaning "liquid industrial waste" is from 1930.
effluvia (n.): Latin plural of effluvium. Sometimes mistaken for a singular and re-pluralized.
effluvium (n.): 1640s, from Latin effluvium "a flowing out, an outlet," from effluere "to flow out" (see effluence). Related: Effluvial.
efflux (n.): 1640s, "act or state of flowing out," also "that which flows out," from Latin effluxus, past participle of effluere "to flow out" (see effluence).
effort (n.): late 15c., "laborious attempt, strenuous exertion," from Middle French effort, from Old French esforz "force, impetuosity, strength, power," verbal noun from esforcier "force out, exert oneself," from Vulgar Latin *exfortiare "to show strength" (source of Italian sforza), from Latin ex- "out" (see ex-) + Latin fortis "strong" (see fort).
Effort is only effort when it begins to hurt. [Ortega y Gasset, 1949]
Related: Efforts "voluntary exertion," also "result of exertion."
effortless (adj.): 1752, "passive, making no effort," from effort + -less. Meaning "easy, requiring no effort" is from 1810. Related: Effortlessly; effortlessness.
effrontery (n.): "shamelessness, impudence, boldness in transgressing the bounds of modesty and propriety," 1715, from French effronterie, from effronté "shameless," from Old French esfronte "shameless, brazen," probably from Late Latin effrontem (nominative effrons) "barefaced, shameless," from Latin ex- "out" (see ex-) + frontem (nominative frons) "brow" (see front (n.)). Also compare affront.

Latin frontus had a sense of "ability to blush," but the literal sense of effrontery often has been taken to be "putting forth the forehead." Forehead in Johnson's Dictionary (1755) has a secondary sense of "impudence; confidence; assurance; audaciousness; audacity." English had an earlier verb effront "treat with effrontery" (17c.).
effulgence (n.): 1660s (Milton), from Late Latin effulgentia (from Latin effulgentum; see effulgent).
effulgent (adj.): 1738, back-formation from effulgence, or else from Latin effulgentem (nominative effulgens), present participle of effulgere "to shine out, gleam forth," from ex "out" (see ex-) + fulgere "to shine" (see bleach (v.)). Related: Effulgently.
effuse (v.): "to pour out, spill," late 14c., from Middle French effuser or directly from Latin effusus "poured out," past participle of effundere "to pour forth" (see effusion). Related: Effused; effusing. Not to be confused with eff youse.
effuse (adj.): 1520s, from Latin past participle adjective effusus "poured out," also "extensive, vast, broad, wide" (see effuse (v.)).
effusion (n.): c. 1400, "a pouring out," from Middle French effusion (14c.) and directly from Latin effusionem (nominative effusio) "a pouring forth," noun of action from past participle stem of effundere "pour forth, spread abroad; to lavish, squander, waste," from ex- "out" (see ex-) + fundere "pour" (see found (v.2)). Figuratively, of speech, emotion, etc., from 1650s.
effusive (adj.): "flowing profusely" (especially of words), 1660s, from Latin effus-, stem of effundere "to pour forth, spread abroad" (see effusion) + -ive. Hence, "with extravagant display of feelings" (1863). Related: Effusively.
eft (n.): Old English efte, efeta "small lizard-like animal," of unknown origin (see newt).
eftsoons (adv.): obsolete or archaic way of saying "soon afterward," from Old English eftsona "a second time, repeatedly, soon after, again," from eft "afterward, again, a second time" (from Proto-Germanic *aftiz, from PIE root *apo- "off, away;" see apo-) + sona "immediately" (see soon). With adverbial genitive. Not in living use since 17c.
egad (interj.): 1670s, I gad, a softened oath, second element God, first uncertain; perhaps it represents exclamation ah.
egalitarian (adj.): 1881, from French égalitaire, from Old French egalite "equality," from Latin aequalitatem (see equality). Originally often in egalitarian despotism, such as the government resulting from the French Revolution or the ideas of the communists. The noun, "person who favors egalitarianism," is from 1920.
egalitarianism (n.): 1884, from egalitarian + -ism.
Egbert: masc. proper name, from Old English Ecg-beorht, literally "sword-bright." See edge (n.) + bright (adj.).