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class (v.)[class 词源字典]: 1705, "to divide into classes," from class (n.) or French classer. Sense of "to place into a class" is from 1776. Related: Classed; classing.[class etymology, class origin, 英语词源]
classic (adj.): 1610s, "of the highest class; approved as a model," from French classique (17c.), from Latin classicus "relating to the (highest) classes of the Roman people," hence, "superior," from classis (see class). Originally in English, "of the first class;" meaning "belonging to standard authors of Greek and Roman antiquity" is attested from 1620s.
classic (n.): "a Greek or Roman writer or work," 1711, from classic (adj.). So, by mid-19c., any work in any context held to have a similar quality or relationship. In classical Latin noun use of classicus meant "a Marine" (miles classicus) from the "military division" sense of classis.
classical (adj.): 1590s, "of the highest rank" (originally in literature), from classic + -al (1). Classical music (1836) was defined originally against romantic music.
[I]n general, as now used, the term classical includes the composers active in instrumental music from somewhere about 1700 to say 1830. Hence the list includes among the great names those of Bach, his sons, Haydn, Mozart, Beethoven, Clementi, Dussek, Pleyel, Cramer, etc. The next step beyond the term classical is "modern romantic," the composers of which school may be taken to include all the writers for pianoforte from about 1829 (when Mendelssohn published the first "Songs without Words") down to the present. The term romantic in this sense means strongly marked, extraordinary, intending to tell stories and the like. ["Music, Its Ideals and Methods," W.S.B. Mathews, 1897]
But already by 1880s it was acknowledged the term had a double sense: Music that had withstood the test of time, as well as music of a style contrasted to "romantic." Later (early 20c.) it was contrasted to jazz (in this sense more often with reference to the orchestras than to the music itself). Still later in contrast to popular music generally (mid-20c.).
classicism (n.): "classical style in art or literature," 1830, from classic + -ism. Related: Classicist.
classics (n.): "Greek and Roman writers and works," 1711, from classic (adj.).
classifiable (adj.): 1820, from classify + -able.
classification (n.): 1772, "action of classifying," noun of action from Latin stem of classify, or from French classification. Meaning "result of classifying" is from 1789.
classificatory (adj.): 1825, from Latin stem of classify + -ory.
classified (adj.): "arranged in classes," 1828, past participle adjective from classify. Meaning "secret" (of government information) is from 1941, American English. Classifieds (n.) "newspaper advertisements arranged by classes," 1913, is short for classified advertisements
classify (v.): 1782, from French classifier, from classe (see class (n.)) + -fier (see -fy). Related: Classified; classifying.
classism (n.): "distinction of class," 1842, from class (n.) + -ism.
classless (adj.): 1874 in the social sense (1863 in reference to class generally), from class (n.) in the "social order" sense + -less. As "lacking the sophistication of high class," by 1979. Related: Classlessly; classlessness.
classmate (n.): "one of the same class at school or college," 1713, from class (n.) + mate (n.).
classroom (n.): also class-room, 1811, from class (n.) + room (n.).
classy (adj.): "pertaining to or characteristic of a (high) class," 1891, from class (n.) + -y (2). Related: Classily; classiness.
clastic (adj.): "consisting of broken pieces," 1875, in geology, from Latinized form of Greek klastos "broken in pieces," from klan, klaein "to break," from PIE *kla-, variant of root *kel- (1) "to strike" (see holt).
clatter (v.): late Old English clatrung "clattering, noise," verbal noun implying an Old English *clatrian, of imitative origin. Compare Middle Dutch klateren, East Frisian klatern, dialectal German klattern. The noun is attested from mid-14c.
Claude: masc. proper name, from French form of Claudius.
Claudia: fem. proper name, from Latin Claudius (m.).