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brush [brush 词源字典]: brush: [14] It is not clear whether brush for sweeping and brush as in brushwood are the same word, although both appeared in the language at about the same time, from a French source. Brush ‘broken branches’ comes from brousse, the Anglo-Norman version of Old French broce, which goes back to an unrecorded Vulgar Latin *bruscia. Brush for sweeping, on the other hand, comes from Old French broisse or brosse.

It is tempting to conclude that this is a variant of Old French broce, particularly in view of the plausible semantic link that brushwood (cut twigs, etc) bundled together and tied to a handle makes a serviceable brush (that is how broom came to mean ‘brush’). The verb brush ‘move fast or heedlessly’ comes from Old French brosser ‘dash through undergrowth’, a derivative of broce; its frequent modern connotation of ‘touching in passing’ comes from the other brush.
[brush etymology, brush origin, 英语词源]
perestroika: perestroika: [20] Along with glasnost, perestroika was catapulted into English from Russian in the mid-1980s by Mikhail Gorbachev’s reforms in the Soviet Union. It means literally ‘rebuilding, reconstruction, reform’, and is a compound formed from pere- ‘re-’ and stroika ‘building, construction’. In the context of Gorbachev’s sweeping changes, it denotes a ‘sweeping restructuring of Soviet society, industry, etc’.
broom (n.): Old English brom "broom, brushwood," the common flowering shrub whose twigs were tied together to make a tool for sweeping, from Proto-Germanic *bræmaz "thorny bush" (cognates: Dutch braam, German Brombeere "blackberry"), from PIE root *bh(e)rem- "to project, a point."

Traditionally, both the flowers and sweeping with broom twigs were considered unlucky in May (Suffolk, Sussex, Wiltshire, etc.). The witch's flying broomstick originally was one among many such objects (pitchfork, trough, bowl), but the broomstick became fixed as the popular tool of supernatural flight via engravings from a famous Lancashire witch trial of 1612.
brush (n.1): "dust-sweeper, a brush for sweeping," late 14c., also, c. 1400, "brushwood, brushes;" from Old French broisse (Modern French brosse) "a brush" (13c.), perhaps from Vulgar Latin *bruscia "a bunch of new shoots" (used to sweep away dust), perhaps from Proto-Germanic *bruskaz "underbrush."
hokey-pokey: 1847, "false cheap material," perhaps an alteration of hocus-pocus, or from the nonsense chorus and title of a comic song (Hokey Pokey Whankey Fong) that was popular c. 1830. Applied especially to cheap ice cream sold by street vendors (1884), in Philadelphia, and perhaps other places, it meant shaved ice with artificial flavoring. The words also were the title of a Weber-Fields musical revue from 1912. The modern dance song of that name hit the U.S. in 1950 ("Life" described it Nov. 27, 1950, as "a tuneless stomp that is now sweeping the U.C.L.A. campus"), but it is said to have originated in Britain in World War II, perhaps from a Canadian source.
riffraff (n.): also riff-raff, late 15c., from earlier rif and raf "one and all, everybody, every scrap," also "sweepings, refuse" (mid-14c.), from Old French rif et raf, from rifler "to spoil, strip" (see rifle (v.)). Second element from raffler "carry off," related to rafle "plundering," or from raffer "to snatch, to sweep together" (see raffle (n.)).
scythe (v.): 1570s, "use a scythe;" 1590s "to mow;" from scythe (n.). From 1897 as "move with the sweeping motion of a scythe." Related: Scythed; scything.
sway (v.): early 14c., "move, go, go quickly; move (something) along, carry," probably from a Scandinavian source akin to Old Norse sveigja "to bend, swing, give way," Old Danish svegja, perhaps merged with an unrecorded Old English cognate. The whole group might be related to swag (v.) and swing (v.).

The sense of "swing, waver, move in a swaying or sweeping motion" is from late 14c. Meaning "move from side to side" is from c. 1500; transitive sense "cause to move from side to side" is from 1550s (according to OED, not common before 19c.). Figurative sense "cause to be directed toward one side, prejudice" is from 1590s. Related: Swayed; swaying.
sweep (v.): early 14c., "make clean by sweeping with a broom;" mid-14c., "perform the act of sweeping," of uncertain origin, perhaps from a past tense form of Middle English swope "sweep," from Old English swapan "to sweep" (transitive & intransitive); see swoop (v.), or perhaps from a Scandinavian source. Related: Swept; sweeping.

From late 14c. as "hasten, rush, move swiftly and strongly;" also "collect by sweeping." From c. 1400 in transitive sense "drive quickly, impel, move or carry forward by force;" mid-15c. as "clear (something) away." Meaning "win all the events" is 1960, American English. Sense of "pass systematically over in search of something" is from 1966. To sweep (someone) off (his or her) feet "affect with infatuation" is from 1913.
sweep (n.): mid-13c., "stroke, force," from sweep (v.). Meaning "act of sweeping" is from 1550s. From 1670s as "range, extent of a continued motion." In reference to police or military actions, it is attested from 1837. Sense of "a winning of all the tricks in a card game" is from 1814 (see sweepstakes); extended to other sports by 1960. Meaning "rapid survey or inspection" is from 1966. As a shortened form of chimney-sweeper, first attested 1796.
swinging (adj.): 1550s, "moving to and fro," present participle adjective from swing (v.). Meaning "marked by a free, sweeping movement" is from 1818. Sense of "uninhibited" is from 1958.
swipe (v.): 1825, "strike with a sweeping motion," from swipe (n.). The slang sense of "steal, pilfer" appeared 1885, American English; earliest use in prison jargon:
The blokes in the next cell, little Charley Ames and the Sheeney Kid, they was hot to try it, and swiped enough shoe-lining out of shop No. 5, where they worked, to make us all breeches to the stripes. ["Lippincott's Magazine," vol. 35, June 1885]
Meaning "run a credit card" is 1990s. Related: Swiped; swiper; swiping.
swivel (n.): c. 1300, "coupling device that allows independent rotation," from frequentative form of stem of Old English verb swifan "to move in a course, revolve, sweep" (a class I strong verb), from Proto-Germanic *swif- (cognates: Old Frisian swiva "to be uncertain," Old Norse svifa "to rove, ramble, drift"), from PIE root *swei- (2) "to turn, bend, move in a sweeping manner."

Related Middle English swive was the principal slang verb for "to have sexual intercourse with," a sense that developed c. 1300. This probably explains why, though the root is verbal, the verb swivel is not attested in Modern English until 1794. Compare Middle English phrase smal-swivinge men "men who copulate infrequently."
swoop (v.): 1560s, "to move or walk in a stately manner," apparently from a dialectal survival of Old English swapan "to sweep, brandish, dash," from Proto-Germanic *swaip-, from PIE root *swei- (2) "to bend, turn" (see swivel (n.)). Meaning "pounce upon with a sweeping movement" first recorded 1630s (see swoop (n.)). Spelling with -oo- may have been influenced by Scottish and northern England dialectal soop "to sweep," from Old Norse sopa "to sweep." Related: Swooped; swooping.
whisk (n.): late 14c., "quick stroke, sweeping movement," probably from Old Norse visk "wisp of hay, something to sweep with," from Proto-Germanic *wisk- "move quickly" (cognates: Danish visk "broom," Middle Dutch wisch, Dutch wis, Old High German wisc, German wisch "wisp, brush"), from PIE root *weis- "to turn, twist" (cognates: Sanskrit veskah "noose," Czech vechet "a wisp of straw," Old English wiscian "to plait," weoxian "to clean" with a whisk or brush). Unetymological spelling with wh- is from 1570s. Meaning "implement for beating eggs, etc." first recorded 1660s.
whisk (v.): late 15c., "move with a rapid sweeping motion" (intransitive), from a Scandinavian source (compare Danish viske "to wipe, rub, sponge," Norwegian, Swedish viska "wipe," also "wag the tail"), from the source of whisk (n.). Transitive sense is from 1510s; meaning "to brush or sweep (something) lightly over a surface" is from 1620s. Related: Whisked; whisking.
balayage: "A technique for highlighting hair in which the dye is painted on in such a way as to create a graduated, natural-looking effect", 1970s: French, literally 'sweeping', from balayer 'to sweep'.