bookie (n.) Look up bookie at Dictionary.com
1885, colloquial shortening of bookmaker in the wagering sense.
bookish (adj.) Look up bookish at Dictionary.com
1560s, "literary," from book (n.) + -ish. In sense of "overly studious" it is recorded from 1590s. Related: Bookishly; bookishness.
bookkeeper (n.) Look up bookkeeper at Dictionary.com
also book-keeper, 1550s, from book (n.) + keeper. A rare English word with three consecutive double letters. Related: Bookkeeping, which is from 1680s in the sense "the work of keeping account books;" book-keep (v.) is a back-formation from 1886.
booklet (n.) Look up booklet at Dictionary.com
1859, from book (n.) + diminutive ending -let.
bookmaker (n.) Look up bookmaker at Dictionary.com
also book-maker, 1510s, "printer and binder of books," from book (n.) + agent noun from make (v.). The wagering sense is from 1862. Related: Book-making (late 15c., betting sense 1824).
bookmark (n.) Look up bookmark at Dictionary.com
also book-mark, 1840, from book (n.) + mark (n.1). Bookmarker is older (1838). As a verb, by 1900. Related: Bookmarked; bookmarking.
bookstore (n.) Look up bookstore at Dictionary.com
1763, from book (n.) + store (n.).
bookworm (n.) Look up bookworm at Dictionary.com
1590s (of people), 1855 of insects or maggots; there is no single species known by this name, which is applied to the anolium beetle, silverfishes, and book lice. See book (n.) + worm (n.).
Boolean (adj.) Look up Boolean at Dictionary.com
in reference to abstract algebraic systems, 1851, named for George Boole (1815-1864), English mathematician. The surname is a variant of Bull.
boom (n.2) Look up boom at Dictionary.com
in the business sense, 1873, sometimes said to be from boom (n.1), from the nautical meaning "a long spar run out to extend the foot of a sail" -- a ship "booming" being one in full sail. But it could just as well be from boom (v.) on the notion of "suddenness."
boom (v.) Look up boom at Dictionary.com
mid-15c., earliest use was for bees and wasps, probably echoic of humming. The meaning "make a loud noise" is 15c. Compare bomb. Meaning "to burst into prosperity" (of places, businesses, etc.) is 1871, American English. Related: Boomed; booming. Boom box first attested 1978.
boom (n.1) Look up boom at Dictionary.com
"long pole," 1540s, from Scottish boun, borrowed from Dutch boom "tree, pole, beam," from a Middle Dutch word analogous to Old English beam (see beam (n.)).
boomerang (v.) Look up boomerang at Dictionary.com
1880, from boomerang (n.).
boomerang (n.) Look up boomerang at Dictionary.com
1827, adapted from an extinct Aboriginal languages of New South Wales, Australia. Another variant, perhaps, was wo-mur-rang (1798).
boon (n.) Look up boon at Dictionary.com
late 12c., bone "petition," from Old Norse bon "a petition, prayer," from Proto-Germanic *boniz (source also of Old English ben "prayer, petition," bannan "to summon;" see ban).
boon (adj.) Look up boon at Dictionary.com
in boon companion (1560s), only real survival of Middle English boon "good" (early 14c.), from Old French bon, from Latin bonus "good" (see bonus).
boondocks (n.) Look up boondocks at Dictionary.com
1910s, from Tagalog bundok "mountain." Adopted by occupying American soldiers in the Philippines for "remote and wild place." Reinforced or re-adopted during World War II. Hence, also boondockers "shoes suited for rough terrain," originally (1944) U.S. services slang word for field boots.
boondoggle (n.) Look up boondoggle at Dictionary.com
1935, American English, of uncertain origin, popularized during the New Deal as a contemptuous word for make-work projects for the unemployed. Said to have been a pioneer word for "gadget;" it also was by 1932 a Boy Scout term for a kind of woven braid.
boonies (n.) Look up boonies at Dictionary.com
colloquial shortening of boondocks; by 1964, originally among U.S. troops in Vietnam War (in reference to the rural areas of the country, as opposed to Saigon).
boor (n.) Look up boor at Dictionary.com
13c., from Old French bovier "herdsman," from Latin bovis, genitive of bos "cow, ox." Re-introduced 16c. from Dutch boer, from Middle Dutch gheboer "fellow dweller," from Proto-Germanic *buram "dweller," especially "farmer," from PIE root *bheue- "to be, exist, grow."

Original meaning was "peasant farmer" (compare German Bauer, Dutch boer, Danish bonde), and in English it was at first applied to agricultural laborers in or from other lands, as opposed to the native yeoman; negative connotation attested by 1560s (in boorish), from notion of clownish rustics. Related: Boorishness.
boorish (adj.) Look up boorish at Dictionary.com
1560s, from boor (n.) + -ish. Related: Boorishly; boorishness.
boost (v.) Look up boost at Dictionary.com
1815, literal and figurative, American English, of unknown origin. Related: Boosted; boosting. As a noun by 1825.
booster (n.) Look up booster at Dictionary.com
1890, "one who boosts" something, agent noun from boost (v.). Electrical sense is recorded from 1894. Young child's booster chair is attested under that name from 1960.
boot (v.1) Look up boot at Dictionary.com
"to kick," 1877, American English, from boot (n.1). Generalized sense of "eject, kick out" is from 1880. Related: Booted; booting.
boot (n.1) Look up boot at Dictionary.com
footwear, early 14c., from Old French bote "boot" (12c.), with corresponding words in Provençal and Spanish, of unknown origin, perhaps from a Germanic source. Originally for riding boots only. An old Dorsetshire word for "half-boots" was skilty-boots [Halliwell, Wright].
boot (n.2) Look up boot at Dictionary.com
"profit, use," Old English bot "help, relief, advantage; atonement," literally "a making better," from Proto-Germanic *boto (see better (adj.)). Compare German Buße "penance, atonement," Gothic botha "advantage." Now mostly in phrase to boot (Old English to bote).
boot (v.2) Look up boot at Dictionary.com
"start up a computer," 1975, from bootstrap (v.), a 1958 derived verb from bootstrap (n.) in the computer sense.
boot camp (n.) Look up boot camp at Dictionary.com
by 1941, U.S. Marines slang, said to be from boot (n.) as slang for "recruit," which supposedly dates from the Spanish-American War and is a synecdoche from boots, leggings worn by U.S. sailors.
boot-licker (n.) Look up boot-licker at Dictionary.com
also bootlicker, "toady, servile follower," 1846, from boot (n.1) + agent noun from lick (v.). Foot-licker in the same sense is from 1610s.
booth (n.) Look up booth at Dictionary.com
mid-12c., from Old Danish boþ "temporary dwelling," from East Norse *boa "to dwell," from Proto-Germanic *bowan-, from PIE root *bheue- "to be, exist, grow." See also bower, and compare German Bude "booth, stall," Middle Dutch boode, Lithuanian butas "house," Old Irish both "hut," Bohemian bouda, Polish buda, some probably borrowed from East Norse, some formed from the PIE root.
bootleg (n.) Look up bootleg at Dictionary.com
"leg of a boot," 1630s, from boot (n.1) + leg (n.). As an adjective in reference to illegal liquor, 1889, American English slang, from the trick of concealing a flask of liquor down the leg of a high boot. Before that the bootleg was the place to secret knives and pistols.
bootlegger (n.) Look up bootlegger at Dictionary.com
1889, from bootleg (q.v.). The word enjoyed great popularity in the U.S. during Prohibition (1920-1933), and the abstracted element -legger was briefly active in word-formation, e.g. meatlegger during World War II rationing, booklegger for those who imported banned titles such as "Ulysses."
bootlegging (n.) Look up bootlegging at Dictionary.com
also boot-legging, 1890, from bootleg (q.v.).
bootless (adj.1) Look up bootless at Dictionary.com
"lacking boots," late 14c., from boot (n.1) + -less.
bootless (adj.2) Look up bootless at Dictionary.com
late Old English botleas "unpardonable, not to be atoned for, without help or remedy," from boot (n.2) + -less. Meaning "useless, unprofitable" is from early 15c.
bootstrap (n.) Look up bootstrap at Dictionary.com
also boot-strap, tab or loop at the back of the top of a men's boot, which the wearer hooked a finger through to pull the boots on, 1870, from boot (n.) + strap (n.).

Circa 1900, to pull (oneself) up by (one's) bootstraps was used figuratively of an impossible task (Among the "practical questions" at the end of chapter one of Steele's "Popular Physics" schoolbook (1888) is, "30. Why can not a man lift himself by pulling up on his boot-straps?"). By 1916 its meaning expanded to include "better oneself by rigorous, unaided effort." The meaning "fixed sequence of instructions to load the operating system of a computer" (1953) is from the notion of the first-loaded program pulling itself, and the rest, up by the bootstrap.
booty (n.) Look up booty at Dictionary.com
"plunder, gain, profit," mid-15c., from Old French butin "booty" (14c.), from a Germanic source akin to Middle Low German bute "exchange." Influenced in form and sense by boot (n.2) and in form by nouns ending in -y. Meaning "female body considered as a sex object" is 1920s, African-American vernacular.
bootylicious (adj.) Look up bootylicious at Dictionary.com
by 1998, hip-hop slang, from booty + ending from delicious.
booze (n.) Look up booze at Dictionary.com
by 1821, perhaps 1714; probably originally as a verb, "to drink a lot" (1768), variant of Middle English bouse (c. 1300), from Middle Dutch busen "to drink heavily," related to Middle High German bus (intransitive) "to swell, inflate," of unknown origin. The noun reinforced by name of Philadelphia distiller E.G. Booz. Johnson's dictionary has rambooze "A drink made of wine, ale, eggs and sugar in winter time; or of wine, milk, sugar and rose-water in the summer time." In New Zealand from c.World War II, a drinking binge was a boozeroo.
boozy (adj.) Look up boozy at Dictionary.com
"inebriated," 1719, from booze + -y (2). It was one of Benjamin Franklin's 225 synonyms for "drunk" published in 1722. Related: Boozily; booziness.
bop (n.) Look up bop at Dictionary.com
1948, shortening of bebop or rebop; as a verb, "play bop music, play (a song) in a bop style," from 1948. It soon came to mean "do any sort of dance to pop music" (1956). Related: Bopped; bopping.

The musical movement had its own lingo, which was in vogue in U.S. early 1950s. "Life" magazine [Sept. 29, 1952] listed examples of bop talk: crazy "new, wonderful, wildly exciting;" gone (adj.) "the tops--superlative of crazy;" cool (adj.) "tasty, pretty;" goof "to blow a wrong note or make a mistake;" hipster "modern version of hepcat;" dig "to understand, appreciate the subtleties of;" stoned "drunk, captivated, ecstatic, sent out of this world;" flip (v.) "to react enthusiastically." [Life Sept. 29, 1952]
borage (n.) Look up borage at Dictionary.com
flowering plant used in salads, mid-13c., from Anglo-French, Old French borage (13c., Modern French bourrache), from Medieval Latin borrago. Klein says this is ultimately from Arabic abu arak, literally "the father of sweat," so called by Arab physicians for its effect on humans. But OED says it's from Latin borra "rough hair, short wool," in reference to the texture of the foliage.
borax (n.) Look up borax at Dictionary.com
late 14c., from Anglo-French boras, from Medieval Latin baurach, from Arabic buraq, applied by the Arabs to various substances used as fluxes, probably from Persian burah. Originally obtained in Europe from the bed of salt lakes in Tibet.
borborygmi (n.) Look up borborygmi at Dictionary.com
also borborygmus, 17c., from Latin borborigmus, from Greek borborygmos, from borboryzein "to have a rumbling in the bowels," imitative.
Bordeaux Look up Bordeaux at Dictionary.com
1560s, type of wine imported from the city in southwestern France. Its name is Roman Burdigala (1c.), perhaps from a Celtic or pre-Celtic source the sense of which has been lost.
bordello (n.) Look up bordello at Dictionary.com
c. 1300, bordel "house of prostitution," from Old French bordel "small hut, cabin; brothel" (12c.), diminutive of borde "hut made of planks," from Frankish *bord "wooden board" or some other Germanic source related to board (n.1). The modern form is a result of the French word being borrowed by Italian then passed back to French with a suffix and re-borrowed into English in its current form by 1590s.
border (v.) Look up border at Dictionary.com
c. 1400, "to put a border on;" 1640s as "to lie on the border of," from border (n.). Related: Bordered; bordering.
border (n.) Look up border at Dictionary.com
mid-14c., from Old French bordure "seam, edge of a shield, border," from Frankish *bord or a similar Germanic source (compare Old English bord "side;" see board (n.2)). The geopolitical sense first attested 1530s, in Scottish (replacing earlier march), from The Borders, name of the district adjoining the boundary between England and Scotland.
borderline (n.) Look up borderline at Dictionary.com
1869, "strip of land along a frontier," from border (n.) + line (n.). As an adjective meaning "verging on" it is attested from 1907, originally in medical jargon.
bore (n.) Look up bore at Dictionary.com
thing which causes ennui or annoyance, 1778; of persons by 1812; from bore (v.1).
The secret of being a bore is to tell everything. [Voltaire, "Sept Discours en Vers sur l'Homme," 1738]