英语词源字典 - 在线词源网站

codswallop (n.)[codswallop 词源字典]: said to be from 19c. (but first attested 1963), perhaps from wallop, British slang for "beer," and cod in one of its various senses, perhaps "testicles."[codswallop etymology, codswallop origin, 英语词源]
coe (n.): "hut built over a mine shaft," 1650s, from some source akin to Dutch kouw, German kaue in the same sense, from West Germanic *kauja-, an early borrowing of Latin cavea "hollow," from cavus "a hollow" (see cave (n.)).
coeducational (adj.): also co-educational, 1881, from co-education (1852), from co- + education.
coefficient (n.): also co-efficient, c. 1600, from co- + efficient. Probably influenced by Modern Latin coefficiens, which was used in mathematics in 16c., introduced by French mathematician François Viète (1540-1603). As an adjective from 1660s.
coelacanth (n.): 1857, from Modern Latin Coelacanthus (genus name, 1839, Agassiz), from Greek koilos "hollow" (from PIE root *kel- (2); see cell) + akantha "spine" (see acrid). So called from the hollow fin rays supporting the tail. Known only as a fossil, the most recent one from 70 million years ago, until discovered living in the sea off the east coast of South Africa Dec. 22, 1938. The specimen was described by Marjorie Courtney-Latimer, who wrote about it to S.African ichthyologist J.L.B. Smith.
I stared and stared, at first in puzzlement. I did not know any fish of our own, or indeed of any seas like that; it looked more like a lizard. And then a bomb seemed to burst in my brain, and beyond that sketch and the paper of the letter, I was looking at a series of fishy creatures that flashed up as on a screen, fishes no longer here, fishes that had lived in dim past ages gone, and of which only fragmentary remains in rock are known. [J.L.B. Smith, "Old Fourlegs: The Story of the Coelacanth," 1956]
coeliac (adj.): 1660s, from Latin coeliacus, from Greek koiliakos "pertaining to the bowels," also "pain in the bowels," from koilia "bowels, abdominal cavity, intestines, tripe" from koilos "hollow," from PIE root *keue- "to swell; vault, hole" (see cumulus).
coelomate (n.): 1883, from Coelomata (1877), from Modern Latin neuter plural of coelomatus, from Greek koilomat- "hollow, cavity," from PIE root *kel- (2) "to cover, conceal" (see cell).
coeno-: word-forming element meaning "common," Latinized from Greek koinos "common, public, shared, general, ordinary," from PIE *kom "beside, near, by, with" (see com-).
coequal (adj.): late 14c.; see co- + equal.
coerce (v.): mid-15c., cohercen, from Middle French cohercer, from Latin coercere "to control, restrain, shut up together," from com- "together" (see co-) + arcere "to enclose, confine, contain, ward off," from PIE *ark- "to hold, contain, guard" (see arcane). Related: Coerced; coercing. No record of the word between late 15c. and mid-17c.; its reappearance 1650s is perhaps a back-formation from coercion.
coercion (n.): early 15c., from Old French cohercion (Modern French coercion), from Medieval Latin coercionem, from Latin coerctionem, earlier coercitionem, noun of action from past participle stem of coercere (see coerce).
coercive (adj.): c. 1600, from coerce + -ive. Form coercitive (attested from 1630s) is more true to Latin.
coetaneous (adj.): "having the same age," c. 1600, from Late Latin coaetanus "one of the same age," from com- "with, together with" (see co-) + aetat- "age" (see age (n.)) + adjectival suffix -aneus.
coeval (adj.): "having the same age," formed in English early 17c. from Late Latin coaevus, from Latin com- "equal" (see co-) + aevum "an age" (see eon). As a noun from c. 1600.
coevolution (n.): also co-evolution, 1965, from co- + evolution; supposedly introduced by Paul Ehrlich and Peter Raven in a study of the relationship between caterpillars and plants.
coexist (v.): 1670s, from co- + exist. Of political/economic systems (especially with reference to communism and the West) from 1931. Related: Coexisted; coexisting.
coexistence (n.): also co-existence, mid-15c., "joint existence;" see co- + existence. As "peaceful relations between states of different ideologies," 1954, a Cold War term.
coextensive (adj.): 1771, from co- + extensive.
coffee (n.): c. 1600, from Italian caffe, from Turkish kahveh, from Arabic qahwah "coffee," said originally to have meant "wine," but perhaps rather from Kaffa region of Ethiopia, a home of the plant (coffee in Kaffa is called buno, which was borrowed into Arabic as bunn "raw coffee"). Much initial diversity of spelling, including chaoua.

Yemen was the first great coffee exporter and to protect its trade decreed that no living plant could leave the country. In 16c., a Muslim pilgrim brought some coffee beans from Yemen and raised them in India. Appeared in Europe (from Arabia) c. 1515-1519. Introduced to England by 1650, and by 1675 the country had more than 3,000 coffee houses. Coffee plantations established in Brazil 1727. Meaning "a light meal at which coffee is served" is from 1774. Coffee break attested from 1952, at first often in glossy magazine advertisements by the Pan-American Coffee Bureau. Coffee pot from 1705.
Did you drink a cup of coffee on company time this morning? Chances are that you did--for the midmorning coffee break is rapidly becoming a standard fixture in American offices and factories. ["The Kiplinger Magazine," March 1952]
coffer (n.): mid-13c., from Old French cofre "a chest" (12c., Modern French coffre), from Latin cophinus "basket" (see coffin).