egg-cup (n.) Look up egg-cup at Dictionary.com
1773, from egg (n.) + cup (n.).
egg-nog (n.) Look up egg-nog at Dictionary.com
also eggnog, c.1775, American English, from egg (n.) + nog "strong ale."
egg-timer (n.) Look up egg-timer at Dictionary.com
1873, from egg (n.) + timer.
egg-white (n.) Look up egg-white at Dictionary.com
1898, from egg (n.) + white (n.).
egghead (n.) Look up egghead at Dictionary.com
also egg-head, 1907, "bald person," from egg (n.) + head (n.). Sense of "intellectual" is attested from 1918, among Chicago newspapermen; popularized by U.S. syndicated columnist Stewart Alsop in 1952 in reference to Adlai Stevenson's presidential campaign.
Adlai Stevenson once told what it was like to be the rare intellectual in politics. "Via ovicapitum dura est," he said, the way of the egghead is hard. [New York Times, Oct. 28, 1982]
eggplant (n.) Look up eggplant at Dictionary.com
also egg-plant, 1763, from egg (n.) + plant (n.). Originally of the white variety. Compare aubergine.
eggshell (n.) Look up eggshell at Dictionary.com
also egg-shell, early 15c., from egg (n.) + shell (n.). It displaced ay-schelle (Old English ægscill), from the native word for "egg." As a color term, from 1894. Emblematic of "thin and delicate" from 1835; the figure of treading on eggshells "to move cautiously" is attested by 1734.
eglantine (n.) Look up eglantine at Dictionary.com
"sweet briar," c.1400, from French églantine, from Old French aiglent "dog rose," from Vulgar Latin *aquilentus "rich in prickles," from Latin aculeus "spine, prickle," diminutive of acus "needle" (see acuity).
ego (n.) Look up ego at Dictionary.com
1714, as a term in metaphysics, "the self; that which feels, acts, or thinks," from Latin ego "I" (cognate with Old English ic; see I). Psychoanalytic (Freudian) sense is from 1894; sense of "conceit" is 1891. Ego-trip first recorded 1969, from trip (n.). Related: egoical; egoity.
In the book of Egoism it is written, Possession without obligation to the object possessed approaches felicity. [George Meredith, "The Egoist," 1879]
egocentric (adj.) Look up egocentric at Dictionary.com
1890, from ego + -centric. Related: Egocentricity; egocentrism.
egoism (n.) Look up egoism at Dictionary.com
1785, in metaphysics, "the theory that a person has no proof that anything exists outside his own mind," from French égoisme (1755), from Modern Latin egoismus, from Latin ego (see ego). Meaning "doing or seeking of that which affords pleasure or advances interest" is from 1800; opposed to altruism, but not necessarily "selfish." Meaning "self-centeredness" is from 1840. Between egoism and egotism, egoism is more correctly formed; there formerly was a useful distinction, with egotism tending to take the senses "self-centeredness" and "extensive use of 'I'" and leaving to egoism the theoretical sense in metaphysics and ethics.
egoist (n.) Look up egoist at Dictionary.com
1763, in metaphysics, "one who maintains there is no evidence of the existence of anything but the self" (taking ego in a sense of "thinking subject"), from French égoiste (1755); see ego + -ist. Meaning "selfish person" is from 1879. Related: Egoistic; egoistical.
egomania (n.) Look up egomania at Dictionary.com
1825, from ego + mania.
egomaniac (n.) Look up egomaniac at Dictionary.com
1890, from egomania. Related: Egomaniacal.
egotheism (n.) Look up egotheism at Dictionary.com
"deification of the self," 1855, from ego + theism. Related: Egotheist (1849); egotheistic.
egotism (n.) Look up egotism at Dictionary.com
1714, "too frequent use of 'I'," from ego + -ism. First used by Joseph Addison, who credits the term to "Port-Royalists" who used it in reference to obtrusive use of first person singular pronoun in writing, hence "talking too much about oneself." Meaning "self-conceit, selfishness" is from 1800. The -t- is abnormal, perhaps by influence of dogmatism.
egotist (n.) Look up egotist at Dictionary.com
1714, "one who makes too frequent use of the first-person singular pronoun," see ego + -ist. First attested in Joseph Addison (see egotism). Related: Egotistic; egotistical; egotistically.
egotize (v.) Look up egotize at Dictionary.com
"talk overmuch of oneself," 1775, from ego + -ize.
egregious (adj.) Look up egregious at Dictionary.com
1530s, "distinguished, eminent, excellent," from Latin egregius "distinguished, excellent, extraordinary," from the phrase ex grege "rising above the flock," from ex "out of" (see ex-) + grege, ablative of grex "herd, flock" (see gregarious).

Disapproving sense, now predominant, arose late 16c., originally ironic. It is not in the Latin word, which etymologically means simply "exceptional." Related: Egregiously; egregiousness.
egress (n.) Look up egress at Dictionary.com
1530s, "act of going out," from Latin egressus "a going out," noun use of past participle of egredi "go out," from ex- "out" (see ex-) + -gredi, comb. form of gradi "step, go" (see grade (n.)). Perhaps a back-formation from egression (early 15c.). Meaning "place of exit" is from 1670s. "One who goes out" is an egressor.
egret (n.) Look up egret at Dictionary.com
mid-14c., from Old French aigrette, from Old Provençal aigreta, diminutive of aigron "heron," perhaps of Germanic origin (compare Old High German heigaro; see heron).
Egypt Look up Egypt at Dictionary.com
Old English Egipte "the Egyptians," from French Egypte, from Greek Aigyptos "the river Nile, Egypt," from Amarna Hikuptah, corresponding to Egyptian Ha(t)-ka-ptah "temple of the soul of Ptah," the creative god associated with Memphis, the ancient city of Egypt.

Strictly one of the names of Memphis, it was taken by the Greeks as the name of the whole country. The Egyptian name, Kemet, means "black country," possibly in reference to the rich delta soil. The Arabic is Misr, which is derived from Mizraim, the name of a son of Biblical Ham.
Egyptian Look up Egyptian at Dictionary.com
late 14c., Egypcyan, adjective and noun; see Egypt + -ian. Old English had Egiptisc. Meaning "the language of Egypt" is from 1550s.
Egyptology (n.) Look up Egyptology at Dictionary.com
1841, from Egypt + -ology. Related: Egyptologist.
eh Look up eh at Dictionary.com
1560s as an exclamation of sorrow; as an exclamation of inquiry, doubt, or slight surprise, usually with questions, from 1773.
eider (n.) Look up eider at Dictionary.com
type of duck, 1743, from German Eider or Dutch eider, both from Old Norse æþar, genitive of æþr "duck," according to Watkins from a North Germanic root *athi-, from Proto-Germanic *ethi-, from PIE "probable root" *eti- "eider duck."
eiderdown (n.) Look up eiderdown at Dictionary.com
"soft feathers of the eider-duck" (such as it uses to line its nest), 1774; see eider + down (n.1). Ultimately from Icelandic æðardun, via a Scandinavian source (compare Danish ederdunn) or German Eiderdon.
eidetic (adj.) Look up eidetic at Dictionary.com
"pertaining to the faculty of projecting images," 1924, from German eidetisch, coined by German psychologist Erich Jaensch (1883-1940), from Greek eidetikos "pertaining to images," also "pertaining to knowledge," from eidesis "knowledge," from eidos "form, shape" (see -oid).
eidolon (n.) Look up eidolon at Dictionary.com
1801, "a shade, a specter," from Greek eidolon "appearance, reflection in water or a mirror," later "mental image, apparition, phantom," also "material image, statue, image of a god, idol," from eidos "form, shape" (see -oid). By 1881 in English as "a likeness, an image."
Eiffel Tower Look up Eiffel Tower at Dictionary.com
erected in the Champ-de-Mars for the Paris Universal Exposition of 1889; at 984.25 feet the world's tallest structure at the time. Designed by French engineer Alexandre Gustave Eiffel (1832-1923).
eight (n.) Look up eight at Dictionary.com
late 14c., eighte, earlier ehte (c.1200), from Old English eahta, æhta, from Proto-Germanic *ahto (cognates: Old Saxon ahto, Old Frisian ahta, Old Norse atta, Swedish åtta, Dutch acht, Old High German Ahto, German acht, Gothic ahtau), from PIE *okto(u) "eight" (cognates: Sanskrit astau, Avestan ashta, Greek okto, Latin octo, Old Irish ocht-n, Breton eiz, Old Church Slavonic osmi, Lithuanian aštuoni). From the Latin word come Italian otto, Spanish ocho, Old French oit, Modern French huit.

For spelling, see fight (v.). Meaning "eight-man crew of a rowing boat" is from 1847. The Spanish piece of eight (1690s) was so called because it was worth eight reals (see piece (n.)). Figure (of) eight as the shape of a race course, etc., attested from c.1600. To be behind the eight ball "in trouble" (1932) is a metaphor from shooting pool. Eight hours as the ideal length of a fair working day is recorded by 1845.
eighteen (n.) Look up eighteen at Dictionary.com
late 14c., eightene, earlier ahtene (c.1200), from Old English eahtatiene, eahtatyne; see eight + -teen. Cognate with Old Frisian schtatine, Old Saxon ahtotian, Dutch achttien, Old High German ahtozehan, German achtzehn, Old Norse attjan, Swedish adertån.
eighteenth (adj.) Look up eighteenth at Dictionary.com
mid-13c., egtetenþe, modified, by influence of eighteen, from Old English eahtateoða; from eight + teoða "tenth" (see -ty (1)). Cognate with German achtzehnte, Danish attende, Swedish adertonde.
eightfold (adj.) Look up eightfold at Dictionary.com
Old English eahtafeald; see eight + -fold.
eighth Look up eighth at Dictionary.com
late 14c., eighthe, contracted from Old English eahtoða; see eight + -th (1). Cognate with Old High German ahtoda, Old Frisian achta, German achte, Gothic ahtuda.
eighties (n.) Look up eighties at Dictionary.com
1827 as the years of someone's life between ages 80 and 89; from 1833 as the ninth decade of years in a given century; from 1854 with reference to Fahrenheit temperature. See eighty.
eighty (n.) Look up eighty at Dictionary.com
eigteti (late 13c.), from eight + -ty (1). Replacing Old English hundeahtatig, with hund- "ten." Related: Eightieth.
eighty-six (v.) Look up eighty-six at Dictionary.com
slang for "eliminate," 1936, originated at lunch counters, a cook's word for "none" when asked for something not available, probably rhyming slang for nix.
Eileen Look up Eileen at Dictionary.com
fem. proper name, from Celtic (compare Irish Eibhlin) but influenced in form by Helen.
Einstein (n.) Look up Einstein at Dictionary.com
as a type-name for a person of genius, 1920, in reference to German-born theoretical physicist Albert Einstein (1879-1955), who was world-famous from 1919 through media accounts of his work in theoretical physics. According to "German-American Names" (George F. Jones, 3rd ed., 2006) it means literally "place encompassed by a stone wall."
einsteinium (n.) Look up einsteinium at Dictionary.com
radioactive element, discovered in the debris of a 1952 U.S. nuclear test in the Pacific, named 1955 for physicist Albert Einstein (1879-1955).
Eire Look up Eire at Dictionary.com
see Irish.
eirenic (adj.) Look up eirenic at Dictionary.com
"tending toward or productive of peace," 1866, from Greek eirenikos, from eirene "peace, time of peace." Earlier as irenic (1864), irenical (1650s).
eisegesis (n.) Look up eisegesis at Dictionary.com
the reading of one's own ideas into scripture, 1859, from Greek eis "in, into" + ending from exegesis. Related: Eisegetical.
Eisenhower Look up Eisenhower at Dictionary.com
surname, from German Eisenhauer, literally "iron-cutter, iron-hewer," "perhaps based on Fr. Taillefer" [George F. Jones, "German-American Names," 3rd ed., 2006].
Eisteddfod (n.) Look up Eisteddfod at Dictionary.com
"annual assembly of Welsh bards," 1822, from Welsh eisteddfod "congress of bards or literati," literally "a session, a sitting," from eistedd "to sit" (from sedd "seat," cognate with Latin sedere; see sedentary) + bod "to be" (cognate with Old English beon; see be). The Welsh plural is eisteddfodau.
either Look up either at Dictionary.com
Old English ægðer, contraction of æghwæðer (pron., adv., conj.) "each of two, both," from a "always" (see aye (adv.)) + ge- collective prefix + hwæðer "which of two, whether" (see whether). Cognate with Dutch ieder, Old High German eogiwedar, German jeder "either, each, every").

Modern sense of "one or the other of two" is late 13c. Adverbially, for emphasis, "in any case, at all," especially when expressing negation, by 1828. Use of either-or to suggest an unavoidable choice between alternatives (1931) in some cases reflects Danish enten-eller, title of an 1843 book by Kierkegaard.
ejaculate (v.) Look up ejaculate at Dictionary.com
1570s, "emit semen," from Latin eiaculatus, past participle of eiaculari "to throw out, shoot out," from ex- "out" (see ex-) + iaculari "to throw, hurl, cast, dart," from iaculum "javelin, dart," from iacere "to throw" (see jet (v.)). Sense of "exclaim suddenly" is from 1660s. Related: Ejaculated; ejaculating; ejaculatory.
ejaculation (n.) Look up ejaculation at Dictionary.com
c.1600, of fluids; 1620s, of utterances, from French éjaculation, noun of action from éjaculer, from Latin ejaculari (see ejaculate).
eject (v.) Look up eject at Dictionary.com
mid-15c., from Latin eiectus "thrown out," past participle of eicere "throw out, cast out, thrust out; drive into exile, expel, drive away," from ex- "out" (see ex-) + -icere, comb. form of iacere "to throw" (see jet (v.)). Related: Ejected; ejecting. Ejecta "matter thrown out by a volcano" is from 1851.