eradicate (v.) Look up eradicate at Dictionary.com
early 15c., from Latin eradicatus, past participle of eradicare "to root out" (see eradication). Related: Eradicated; eradicating; eradicable.
eradication (n.) Look up eradication at Dictionary.com
early 15c., from Latin eradicationem (nominative eradicatio), noun of action from past participle stem of eradicare "root out, extirpate, annihilate," from ex- "out" (see ex-) + radix (genitive radicis) "root" (see radish).
erasable (adj.) Look up erasable at Dictionary.com
1849, from erase + -able.
erase (v.) Look up erase at Dictionary.com
c.1600, from Latin erasus, past participle of eradere "scrape out, scrape off, shave," from ex- "out" (see ex-) + radere "to scrape" (see raze). Of magnetic tape, from 1945. Related: Erased; erasing.
eraser (n.) Look up eraser at Dictionary.com
"thing that erases writing," 1790, American English, agent noun from erase. Originally a knife for scraping off the ink. As a rubber product for removing pencil marks, from 1858.
Erasmus Look up Erasmus at Dictionary.com
masc. proper name, Latin, literally "beloved;" related to Greek erasmios "lovely, pleasant," from eran "to love" (see Eros).
Erastus Look up Erastus at Dictionary.com
masc. proper name, Latin, literally "beloved," from Greek erastos, verbal adjective of eran "to love" (see Eros).
erasure (n.) Look up erasure at Dictionary.com
1734, from erase + -ure.
Erato Look up Erato at Dictionary.com
muse who presided over lyric poetry, from Greek erastos "loved, beloved; lovely, charming," verbal adjective of eran "to love, to be in love with" (see Eros).
erbium (n.) Look up erbium at Dictionary.com
1843, coined in Modern Latin with metallic element name -ium + erbia, name given by Swedish chemist Carl Gustaf Mosander (1797-1858), who discovered it, from second element in Ytterby, name of a town in Sweden where mineral containing it was found.
ere (prep.) Look up ere at Dictionary.com
c.1200, from Old English ær (adv., conj., & prep.) "soon, before (in time)," from Proto-Germanic *airiz, comparative of *air "early" (cognates: Old Saxon, Old Frisian, Old High German er, Dutch eer; German eher "earlier;" Old Norse ar "early;" Gothic air "early," airis "earlier"), from PIE *ayer- "day, morning" (cognates: Avestan ayar "day;" Greek eerios "at daybreak," ariston "breakfast"). The adverb erstwhile retains the Old English superlative ærest "earliest."
Erebus Look up Erebus at Dictionary.com
"place of darkness between earth and Hades," from Latin Erebus, from Greek Erebos, of unknown origin, perhaps from Semitic (compare Hebrew erebh "sunset, evening"), or from PIE *regw-es- "darkness." Used figuratively of darkness from 1590s.
Erechtheus Look up Erechtheus at Dictionary.com
legendary first king and founder of Athens, from Latin Erechtheus, from Greek Erekhtheos, literally "render, shaker" (of the earth), from erekhthein "to rend, break, shatter, shake." Hence, Erechtheum, the name of a temple on the Athenian acropolis.
erect (adj.) Look up erect at Dictionary.com
late 14c., "upright, not bending," from Latin erectus "upright, elevated, lofty; eager, alert, aroused," past participle of erigere "raise or set up," from e- "up" + regere "to direct, keep straight, guide" (see regal).
erect (v.) Look up erect at Dictionary.com
c.1400, a back-formation from erect (adj.) or else from Latin erectus. Related: Erected; erecting.
erectile (adj.) Look up erectile at Dictionary.com
1830, from French érectile, from Latin erect-, past participle stem of erigere (see erect).
erection (n.) Look up erection at Dictionary.com
mid-15c., "establishment; advancement," from Late Latin erectionem (nominative erectio), noun of action from past participle stem of erigere (see erect (adj.)). Meaning "the putting up" (of a building, etc.), "stiffening of the penis" are both from 1590s.
erector (n.) Look up erector at Dictionary.com
1530s, agent noun in Latin form from erect (v.).
eremite (n.) Look up eremite at Dictionary.com
c.1200, learned form of hermit (q.v.), from Church Latin eremita. Since mid-17c. in poetic or rhetorical use only, except in reference to specific examples in early Church history. Related: Eremitic; eremitical.
erg (n.1) Look up erg at Dictionary.com
unit of energy in the C.G.S. system, coined 1873 by the British Association for the Advancement of Science from Greek ergon "work" (see organ).
erg (n.2) Look up erg at Dictionary.com
"region of drifting sand dunes," 1875, from French erg (1854), from North African Arabic 'irj, from a Berber word.
ergative Look up ergative at Dictionary.com
1943, grammatical case used for the subjects of transitive verbs (in Eskimo, Basque, Caucasian languages), from Greek ergatos "workman," from ergos "work" (see organ) + -ive.
ergo Look up ergo at Dictionary.com
c.1400, from Latin ergo "therefore, in consequence of," possibly from *ex rogo "from the direction," from ex "out of" (see ex-) + root of regere "to guide" (see regal).
ergonomics (n.) Look up ergonomics at Dictionary.com
"scientific study of the efficiency of people in the workplace," coined 1950 from Greek ergon "work" (see organ) + second element of economics.
ergophobia (n.) Look up ergophobia at Dictionary.com
"fear of work," 1905, coinage by British medical man Dr. William Dunnett Spanton, from Greek ergos "work" (see organ) + -phobia "fear."
Mr. W.D. Spanton (Leeds) considered that the most prominent causes of physical degeneration were--efforts to rear premature and diseased infants, absurd educational high pressure, cigarette smoking in the younger generation, and late hours at night; in fact, the love of pleasure and ergophobia in all classes of society. He considered that there was too much cheap philanthropy, that life was made too easy for the young poor, and that by modern educational methods proper parental discipline was rendered almost impossible. [report on the 73rd annual meeting of the British Medical Association, "Nature," Aug. 3, 1905]
ergot (n.) Look up ergot at Dictionary.com
fungal disease of rye and other grasses, 1680s, from French ergot, from Old French argot "cock's spur" (12c.), of unknown origin. The blight so called from the shape the fungus forms on the diseased grain. Ergotism "disease caused by eating ergot-infected breadstuffs," first recorded 1853. An alkaloid from the fungus, ergotamine (1921) is used to treat migraines.
Eric Look up Eric at Dictionary.com
masc. proper name, from Old Norse Eirikr, literally "honored ruler," from Proto-Germanic *aiza- "honor" + *rik- "ruler" (see regal). The German form is Erich.
Erica Look up Erica at Dictionary.com
fem. proper name, feminine form of Eric.
Erie Look up Erie at Dictionary.com
one of the Great Lakes, named for a native Iroquoian people who lived nearby, from French Erie, shortening of Rhiienhonons, said to mean "raccoon nation," perhaps in reference to a totemic animal.
Erin Look up Erin at Dictionary.com
ancient name of Ireland, from Old English Erinn, dative of Eriu "Ireland" (see Irish). As a girl's name in U.S., rare before 1954, popular 1976-1985.
Erinys (n.) Look up Erinys at Dictionary.com
(plural erinyes), one of the three avenging spirits (Alecto, Tisiphone, Megaera) in Greek religion, of unknown origin, perhaps "the angry spirit" (compare Arcadian erinein "to be angry," Greek orinein "to raise, stir, excite," eris "strife, discord"). Related: Erinnic.
Eris Look up Eris at Dictionary.com
goddess of discord, from Greek eris "strife, discord," of uncertain origin. Related: Eristic.
Eritrea Look up Eritrea at Dictionary.com
named 1890 when it was an Italian colony, from Mare Erythreum, Roman name of the Red Sea, from Greek Erythre Thalassa, literally "Red Sea" (to the Greeks also including the Gulf of Arabia and the Indian Ocean), from erythros "red" (see red (1)).
Erl-king Look up Erl-king at Dictionary.com
1797, in Scott's translation of Goethe, from German Erl-könig, literally "alder-king," Herder's erroneous translation of Danish ellerkonge "king of the elves." Compare German Eller, Erle "alder" (see alder).
Ermentrude Look up Ermentrude at Dictionary.com
fem. proper name, from Old High German Ermentrudis, from ermin "whole, universal" + trut "beloved, dear."
ermine (n.) Look up ermine at Dictionary.com
late 12c., from Old French ermine (12c., Modern French hermine), both the animal and the fur, apparently from a convergence of Latin (mus) Armenius "Armenian (mouse)," ermines being abundant in Asia Minor; and an unrelated Germanic word for "weasel" (represented by Old High German harmo "ermine, stoat, weasel," adj. harmin; Old Saxon harmo, Old English hearma "shrew," etc.) that happened to sound like it.
erne (n.) Look up erne at Dictionary.com
"sea eagle," from Old English earn "eagle," a common Germanic word (cognates: Old High German arn, German Aar, Middle Dutch arent, Old Norse örn, Gothic ara "eagle"), from PIE root *or- "great bird, eagle" (cognates: Greek ornis "bird," Old Church Slavonic orilu, Lithuanian erelis, Welsh eryr "eagle"). The Germanic word also survives in the first element of old Germanic names such as Arnold and Arthur.
Ernest Look up Ernest at Dictionary.com
masc. proper name, from French Ernest, of German origin (compare Old High German Ernust, German Ernst), literally "earnestness" (see earnest). Among the top 50 names for boys born in U.S. from 1880 through 1933.
Ernestine Look up Ernestine at Dictionary.com
fem. form of Ernest.
erode (v.) Look up erode at Dictionary.com
1610s, a back-formation from erosion, or else from French éroder, from Latin erodere "to gnaw away, consume" (see erosion). Related: Eroded; eroding. Originally of acids, ulcers, etc.; geological sense is from 1830.
erogenous (adj.) Look up erogenous at Dictionary.com
formed 1889 from Greek eros "sexual love" (see Eros) + -genous "producing." A slightly earlier variant was erogenic (1887), from French érogénique. Both, as OED laments, are improperly formed. Erogenous zone attested by 1905.
In this connection reference may be made to the well-known fact that in some hysterical subjects there are so-called "erogenous zones" simple pressure on which suffices to evoke the complete orgasm. There is, perhaps, some significance, from our present point of view, in the fact that, as emphasized by Savill ("Hysterical Skin Symptoms," Lancet, January 30 1904) the skin is one of the very best places to study hysteria. [Havelock Ellis, "Studies in the Psychology of Sex," 1914]
Eros (n.) Look up Eros at Dictionary.com
god of love, late 14c., from Greek eros (plural erates), literally "love," related to eran "to love," erasthai "to love, desire," of uncertain origin.

Freudian sense of "urge to self-preservation and sexual pleasure" is from 1922. Ancient Greek distinguished four ways of love: erao "to be in love with, to desire passionately or sexually;" phileo "have affection for;" agapao "have regard for, be contented with;" and stergo, used especially of the love of parents and children or a ruler and his subjects.
erose (adj.) Look up erose at Dictionary.com
1793, from Latin erosus, past participle of erodere (see erosion).
erosion (n.) Look up erosion at Dictionary.com
1540s, from Middle French erosion (16c.), from Latin erosionem (nominative erosio) "a gnawing away," noun of action from past participle stem of erodere "gnaw away," from ex- "away" (see ex-) + rodere "gnaw" (see rodent).
erotic (adj.) Look up erotic at Dictionary.com
1620s (implied in erotical), from French érotique (16c.), from Greek erotikos "caused by passionate love, referring to love," from eros (genitive erotos) "sexual love" (see Eros).
erotica (n.) Look up erotica at Dictionary.com
1820, noun use of neuter plural of Greek erotikos "amatory" (see erotic); originally a booksellers' catalogue heading.
Force Flame
And with a Blonde push
Over your impotence
Flits Steam
[Emily Dickinson, #854, c.1864]
eroticism (n.) Look up eroticism at Dictionary.com
1881, from erotic + -ism.
eroticize (v.) Look up eroticize at Dictionary.com
1914, from erotic + -ize. Related: Eroticized; eroticizing.
erotomaniac (n.) Look up erotomaniac at Dictionary.com
"one driven mad by passionate love" (sometimes also used in the sense of "nymphomaniac"), 1858, from erotomania (1813, defined then as "Desperate love; sentimentalism producing morbid feelings"), from comb. form of erotic + mania.
err (v.) Look up err at Dictionary.com
c.1300, from Old French errer "go astray, lose one's way; make a mistake; transgress," from Latin errare "wander, go astray, be in error," from PIE root *ers- (1) "be in motion, wander around" (cognates: Sanskrit arsati "flows;" Old English ierre "angry, straying;" Old Frisian ire "angry;" Old High German irri "angry," irron "astray;" Gothic airziþa "error, deception;" the Germanic words reflecting the notion of anger as a "straying" from normal composure). Related: Erred; erring.