英语词源字典 - 在线词源网站

ooh [ooh 词源字典]: exclamation of pain, surprise, wonder, etc., 1916. Combined with aah from 1953. Ooh-la-la, exclamation of surprise or appreciation, is attested 1924, from French and suggestive of the supposed raciness of the French.[ooh etymology, ooh origin, 英语词源]
oolite (n.): "rock consisting of fine grains of carbonate of lime," 1785, from Modern Latin oolites, from oo-, comb. form of Greek oon "egg" (cognate with Old English æg, see egg (n.)) + lithos "stone" (see litho-). So called because the rock resembles the roe of fish.
oology (n.): 1823, from oo- + -logy. Related: Oological.
oolong (n.): dark variety of Chinese tea, 1852, from Chinese wu-lung, literally "black dragon."
oom-pah: 1877, imitative of bass brass instruments.
oomph: "sexual attractiveness," 1937, suggestive visceral physical sound. Ann Sheridan (1915â1967) was the original Hollywood oomph girl (1939).
oops: "a natural exclamation" [OED] of surprise at doing something awkward, but attested only from 1933 (compare whoops).
Oort cloud (n.): in reference to the hypothetical cloud of small objects beyond Pluto that become comets, proposed 1949 by Dutch astronomer Jan Hendrick Oort (1900-1992), and named for him by 1968.
ooze (v.): late 14c., wosen, verbal derivative of Old English noun wos "juice, sap," from Proto-Germanic *wosan (source of Middle Low German wose "scum"), from same source as ooze (n.). Modern spelling from late 1500s. The Old English verb was wesan. Related: Oozed; oozing.
ooze (n.): "soft mud," Old English wase "soft mud, mire," from Proto-Germanic *waison (cognates: Old Saxon waso "wet ground, mire," Old Norse veisa "pond of stagnant water"), from PIE *wes- (2) "wet." Modern spelling is mid-1500s.
oozy (adj.): Old English wosig "juicy, moist" (see ooze (v.)). Related: Ooziness.
op-: assimilated form of ob- before -p-.
op-ed (adj.): 1970, in reference to the page of a newspaper opposite the editorial page, usually devoted to personal opinion columns. The thing itself said to have been pioneered by the New York "World."
op. cit.: abbreviation of Latin opus citatum, literally "the work quoted."
opacity (n.): 1550s, "darkness of meaning, obscurity," from French opacité, from Latin opacitatem (nominative opacitas) "shade, shadiness," from opacus "shaded, dark, opaque" (see opaque). The literal sense "condition of being impervious to light" first recorded 1630s.
opafication (n.): 1852, from French opafication; see opacity + -fication.
opal (n.): 1590s, from Middle French opalle (16c.), from Latin opalus (Pliny), supposedly from Greek opallios, possibly ultimately from Sanskrit upala-s "gem, precious stone." Used in Middle English in Latin form (late 14c.).
opalescence (n.): 1792; see opalescent + -ence.
opalescent (adj.): 1813, from opal + -escent.
opaque (adj.): early 15c., opake, from Latin opacus "shaded, in the shade, shady, dark, darkened, obscure," of unknown origin. Spelling influenced after c. 1650 by French opaque (c. 1500), from the Latin. Figurative use from 1761. Related: Opaquely; opaqueness.