epithelium (n.)youdaoicibaDictYouDict[epithelium 词源字典]
1748, Modern Latin (Frederick Ruysch), from Greek epi "upon" (see epi-) + thele "teat, nipple" (see fecund). Related: Epithelial.[epithelium etymology, epithelium origin, 英语词源]
epithet (n.)youdaoicibaDictYouDict
"descriptive name for a person or thing," 1570s, from Middle French épithète or directly from Latin epitheton (source also of Spanish epíteto, Portuguese epitheto, Italian epiteto), from Greek epitheton "an epithet; something added," noun use of adjective (neuter of epithetos) "attributed, added, assumed," from epitithenai "to add on," from epi "in addition" (see epi-) + tithenai "to put" (see theme). Related: Epithetic; epithetical.
epitome (n.)youdaoicibaDictYouDict
1520s, "an abstract; brief statement of the chief points of some writing," from Middle French épitomé (16c.), from Latin epitome "an abridgment," from Greek epitome "an abridgment, a cutting on the surface; brief summary," from epitemnein "cut short, abridge," from epi "into" (see epi-) + temnein "to cut" (see tome). Sense of "person or thing that typifies something" is first recorded c. 1600. Related: Epitomical.
epitomise (v.)youdaoicibaDictYouDict
chiefly British English spelling of epitomize. For spelling, see -ize. Related: Epitomised; epitomises; epitomising.
epitomize (v.)youdaoicibaDictYouDict
1590s, "shorten, condense, abridge," from epitome + -ize. Meaning "typify, embody" is from 1620s. Related: Epitomized; epitomizing; epitomizes.
epizoic (adj.)youdaoicibaDictYouDict
"living on the surface or in the skin of animals," 1832, from epizoon + -ic.
epizoon (n.)youdaoicibaDictYouDict
"parasitic animal on the surface or in the skin of another," 1836, from epi- "on" + Greek zoon "animal" (see zoo-).
epizootic (n.)youdaoicibaDictYouDict
animal equivalent of epidemic, 1748, from French épizootique, from épizootie, irregularly formed from Greek epi "on, upon" (see epi-) + zoon "animal" (see zoo-). As an adjective from 1790.
epoch (n.)youdaoicibaDictYouDict
1610s, epocha, "point marking the start of a new period in time" (such as the founding of Rome, the birth of Christ, the Hegira), from Medieval Latin epocha, from Greek epokhe "stoppage, fixed point of time," from epekhein "to pause, take up a position," from epi "on" (see epi-) + ekhein "to hold" (see scheme (n.)). Transferred sense of "a period of time" is 1620s; geological usage (not a precise measurement) is from 1802.
epochal (adj.)youdaoicibaDictYouDict
1680s, from epoch + -al (1).
epode (n.)youdaoicibaDictYouDict
1590s, a kind of lyric poem in which a short line follows a longer one (invented by Archilochus, also used by Horace), from Latin epodos, from Greek epodus "after-song, incantation," from epi "after" (see epi-) + odein "to sing" (see ode). Related: Epodic.
eponym (n.)youdaoicibaDictYouDict
one whose name becomes that of a place, a people, an era, an institution, etc., 1833, from Greek eponymos "given as a name, giving one's name to something," as a plural noun (short for eponymoi heroes) denoting founders (legendary or real) of tribes, cities, etc.; from comb. form of epi "upon, (called) after," (see epi-) + onyma, Aeolic dialectal variant of onoma "name" (see name (n.)).
eponymous (adj.)youdaoicibaDictYouDict
"giving one's name to," 1833; see eponym + -ous. Related: Eponymously. Alternative form eponymal is used in reference to the other classical eponymos, a title of certain magistrates in ancient Greece who gave their names to the years when they held office. Eponymic has been used in the sense "name-giving; pertaining to eponymic myths" as well as "of or pertaining to a classical eponymos."
epoxy (n.)youdaoicibaDictYouDict
1916, in reference to certain chemical compounds, from epi- + first element of oxygen. Epoxy- is used as a prefix in chemistry to indicate an oxygen atom that is linked to two carbon atoms of a chain, thus forming a "bridge" ("intramolecular connection" is one of the chemical uses of epi-). Resins from epoxides are used as powerful glues. Hence the verb meaning "to bond with epoxy" (1965). Related: Epoxied.
epsilon (n.)youdaoicibaDictYouDict
from Greek, literally e psilon "bare -e-, -e- and nothing else," so called by late grammarians in contradistinction to the diphthong -ai-, which had come to have the same sound. Greek psilon "smooth, simple" is of uncertain origin (Watkins suggests PIE root *bhes- (1) "to rub").
Epsom saltsyoudaoicibaDictYouDict
magnesium sulphate, 1770, obtained from Epsom water, the water of a mineral spring at Epsom in Surrey, England, the medicinal properties of which were discovered in Elizabethan times. The place name is recorded c.973 as Ebbesham, literally "Ebbi's homestead," from the name of some forgotten Anglo-Saxon. The mineral supply there was exhausted 19c.
Epstein-Barr virusyoudaoicibaDictYouDict
1968, named for British virologist Michael Anthony Epstein and Irish-born virologist Yvonne M. Barr.
ept (adj.)youdaoicibaDictYouDict
1938, back-formation from inept, usually with an attempt at comical effect. Related: Eptitude; eptly.
equability (n.)youdaoicibaDictYouDict
1530s, from Latin aequabilitatem (nominative aequabilitas) "equality, uniformity, evenness," figuratively "impartiality," from aequabilis "equal, consistent, uniform" (see equable).
equable (adj.)youdaoicibaDictYouDict
1670s, back-formation from equability or else from Latin aequabilis "equal, consistent, uniform," from aequare "make uniform" (see equate). Related: Equably; equableness.