late 14c., crasen, craisen "to shatter, crush, break to pieces," probably a Germanic word and perhaps ultimately from a Scandinavian source (such as Old Norse *krasa"shatter"), but it seems to have entered English via Old French crasir (compare Modern French écraser). Original sense preserved in crazy quilt (1886) pattern and in reference to cracking in pottery glazing (1815).
Mental sense of "derange the intellect of, make insane" (late 15c.) perhaps comes via the transferred sense of "be diseased or deformed" (mid-15c.), or it might be an image of cracked or broken things. The intransitive sense of "become insane" is by 1818. Related: Crazed; crazing.
... there is little assurance in reconciled enemies: whose affections (for the most part) are like unto Glasse; which being once cracked, can neuer be made otherwise then crazed and vnsound. [John Hayward, "The Life and Raigne of King Henrie the IIII," 1599]
late 15c., "break down in health," from craze (v.) in its Middle English sense of "to shatter, break to pieces." In 16c. also "a flaw, a defect, an infirmity." Perhaps via a notion of "mental breakdown," by 1813 the sense was extended to "mania, irrational fancy, fad," or, as The Century Dictionary defines it, "An unreasoning or capricious liking or affectation of liking, more or less sudden and temporary, and usually shared by a number of persons, especially in society, for something particular, uncommon, peculiar, or curious ..." .
1570s, "diseased, sickly" (a sense now obsolete); 1580s, "broken, impaired, full of cracks or flaws," from craze + -y (2). Meaning "deranged, demented, of unsound mind or behaving as so" is from 1610s. Jazz slang sense "cool, exciting" is attested by 1927. Related: Crazily; craziness.
To drive (someone) crazy is attested by 1873. To do something like crazy "with manic vigor or frequency" is by 1905. Phrase crazy like a fox has origins by 1935. Crazy Horse, name of the Teton Lakhota (Siouan) war leader (d. 1877), translates thašuka witko, literally "his horse is crazy." Crazy-quilt (1886) preserves the original "break to pieces" sense of craze (v.). Crazy bone as an alternative to funny bone is recorded by 1853.
1773, "lively square dance for four couples," consisting regularly of five complete parts, from French quadrille (17c.), originally one of four groups of horsemen in a tournament (a sense attested in English from 1738), from Spanish cuadrilla, diminutive of cuadro "four-sided battle square," from Latin quadrum "a square," related to quattuor "four" (from PIE root *kwetwer- "four"). The craze for the dance hit England in 1816, and it underwent a vigorous revival late 19c. among the middle classes.
Earlier it was the name of a popular card game for four hands, and in this sense it is from French quadrille (1725), from Spanish cuartillo, from cuarto "fourth," from Latin quartus. OED notes it as fashionable ("and was in turn superseded by whist") from 1726, the year of Swift's (or Congreve's) satirical ballad on the craze:
The commoner, and knight, the peer,
Men of all ranks and fame,
Leave to their wives the only care,
To propagate their name;
And well that duty they fulfil
When the good husband's at Quadrille &c.
1560s, "A solid generated by the revolution of a right-angled triangle upon one of its sides as an axis" [Century Dictionary], from French cone (16c.) or directly from Latin conus "a cone, peak of a helmet," from Greek konos "cone, spinning top, pine cone," which is perhaps from a PIE root *ko- "to sharpen" (source also of Sanskrit sanah "whetstone," Latin catus "sharp," Old English han "stone"), but Beekes considers it likely a Pre-Greek word.
There is a use from c. 1400 as "angle or corner of a quadrant," from Latin. From 1560s as "dry, cone-shaped fruit of the pine;" from 1771 as "hill surrounding the crater of a volcano; 1867 as "minute structure in the retina of the eye;" by 1909 as "a conical wafer to hold ice-cream." Cone-shell is from 1770, so called for its shape; cone-flower is from 1822, so called for its conical receptacles.
Probably the greatest "rage" of the year in the eating line has been the ice cream cone. The craze has known no section, although the Middle West has eaten more than any other section, and the South has yet to acquire the habit. As a result of this craze hundreds of cone factories have sprung up, and every one has made large profits. Thus an important side line has come to the fore in aid of the ice cream industry. [The Ice Cream Trade Journal, October 1909]