art (n.)youdaoicibaDictYouDict[art 词源字典]
early 13c., "skill as a result of learning or practice," from Old French art (10c.), from Latin artem (nominative ars) "work of art; practical skill; a business, craft," from PIE *ar-ti- (cognates: Sanskrit rtih "manner, mode;" Greek arti "just," artios "complete, suitable," artizein "to prepare;" Latin artus "joint;" Armenian arnam "make;" German art "manner, mode"), from root *ar- "fit together, join" (see arm (n.1)).

In Middle English usually with a sense of "skill in scholarship and learning" (c. 1300), especially in the seven sciences, or liberal arts. This sense remains in Bachelor of Arts, etc. Meaning "human workmanship" (as opposed to nature) is from late 14c. Sense of "cunning and trickery" first attested c. 1600. Meaning "skill in creative arts" is first recorded 1610s; especially of painting, sculpture, etc., from 1660s. Broader sense of the word remains in artless.

Fine arts, "those which appeal to the mind and the imagination" first recorded 1767. Expression art for art's sake (1824) translates French l'art pour l'art. First record of art critic is from 1847. Arts and crafts "decorative design and handcraft" first attested in the Arts and Crafts Exhibition Society, founded in London, 1888.
Supreme art is a traditional statement of certain heroic and religious truths, passed on from age to age, modified by individual genius, but never abandoned. The revolt of individualism came because the tradition had become degraded, or rather because a spurious copy had been accepted in its stead. [William Butler Yeats]
[art etymology, art origin, 英语词源]
cobalt (n.)youdaoicibaDictYouDict
1680s, from German kobold "household goblin," Harz Mountains silver miners' term for rock laced with arsenic and sulfur (so called because it degraded the ore and made the miners ill), from Middle High German kobe "hut, shed" + *holt "goblin," from hold "gracious, friendly," a euphemistic word for a troublesome being. The metallic element was extracted from this rock. It was known to Paracelsus, but discovery is usually credited to the Swede George Brandt (1733), who gave it the name. Extended to a blue color 1835 (a mineral containing it had been used as a blue coloring for glass since 16c.). Compare nickel.
degrade (v.)youdaoicibaDictYouDict
late 14c., from Old French degrader (12c.) "degrade, deprive (of office, rank, etc.)," from des- "down" (see dis-) + Latin gradus "step" (see grade (n.)). Related: Degraded; degrading.
ghawazee (n.)youdaoicibaDictYouDict
Egyptian dancing-girls, 1799, from Arabic gawazi, plural of gaziya. "In Egypt, a degraded class of public dancers, male and female, by some considered a race of Gipsies, devoted to the amusement of the lowest populace" [Century Dictionary, 1902].
hang-dog (adj.)youdaoicibaDictYouDict
also hangdog, 1670s, apparently "befitting a hang-dog," that is, a despicable, degraded fellow, so called either from being fit only to hang a dog (with construction as in cutthroat, daredevil) or of being a low person (i.e. dog) fit only for hanging. The noun, however, is attested only from 1680s.
HarrietyoudaoicibaDictYouDict
fem. proper name, fem. of Harry.
We think that gentlemen lose a particle of their respect for young ladies who allow their names to be abbreviated into such cognomens as Kate, Madge, Bess, Nell, &c. Surely it is more lady-like to be called Catharine, Margaret, Eliza, or Ellen. We have heard the beautiful name Virginia degraded into Jinny; and Harriet called Hatty, or even Hadge. [Eliza Leslie, "Miss Leslie's Behaviour Book," Philadelphia, 1839]
Nautical slang Harriet Lane "preserved meat" (1896) is the name of the victim of a notorious murder in which it was alleged the killer chopped up her body.
hulk (n.)youdaoicibaDictYouDict
Old English hulc "light, fast ship" (but in Middle English a heavy, unwieldy one), probably from Old Dutch hulke and Medieval Latin hulcus, perhaps ultimately from Greek holkas "merchant ship," literally "ship that is towed," from helkein "to pull" (from PIE root *selk- "to pull, draw"). Meaning "body of an old, worn-out ship" is first recorded 1670s. The Hulks ("Great Expectations") were old ships used as prisons. Sense of "big, clumsy person" is first recorded c. 1400 (early 14c. as a surname: Stephen le Hulke).
HULK. In the sixteenth century the large merchantman of the northern nations. As she grew obsolete, her name was applied in derision to all crank vessels, until it came to be degraded to its present use, i.e., any old vessel unfit for further employment. [Geoffrey Callender, "Sea Passages," 1943]
misshapen (adj.)youdaoicibaDictYouDict
"having a bad or ugly shape, crippled, deformed, monstrous," also "degraded, perverted," late 14c., from mis- (1) + old alternative past participle of shape (v.).
orc (n.)youdaoicibaDictYouDict
"ogre, devouring monster," Old English orcþyrs, orcneas (plural), perhaps from a Romanic source akin to ogre, and ultimately from Latin Orcus "Hell," a word of unknown origin. Revived by J.R.R. Tolkien (1892-1973) as the name of a brutal race in Middle Earth.
But Orcs and Trolls spoke as they would, without love of words or things; and their language was actually more degraded and filthy than I have shown it. ["Return of the King," 1955]
separate (adj.)youdaoicibaDictYouDict
"detached, kept apart," c. 1600, from separate (v.) or from Latin separatus. Separate but equal in reference to U.S. segregation policies on railroads is attested from 1888. Separate development, official name of apartheid in South Africa, is from 1955. Related: Separately (1550s); separateness.
Frequently the colored coach is little better than a cattle car. Generally one half the smoking car is reserved for the colored car. Often only a cloth curtain or partition run half way up separates this so-called colored car from the smoke, obscene language, and foul air of the smokers' half of the car. All classes and conditions of colored humanity, from the most cultured and refined to the most degraded and filthy, without regard to sex, good breeding or ability to pay for better accommodation, are crowded into this separate, but equal (?) half car. [Rev. Norman B. Wood, "The White Side of a Black Subject," 1897]
swinish (adj.)youdaoicibaDictYouDict
c. 1200, originally of persons or behavior, "like a swine; gluttonous, sensual, degraded, beastly," from swine + -ish. Related: Swinishly; swinishness. Similar formation in German schweinisch. Old English had swinlic in same sense.
wear (n.)youdaoicibaDictYouDict
"action of wearing" (clothes), mid-15c., from wear (v.). Meaning "what one wears" is 1560s. To be the worse for wear is attested from 1782; noun phrase wear and tear is first recorded 1660s, implying the sense "process of being degraded by use."