Buddhist (n.)youdaoicibaDictYouDict[Buddhist 词源字典]
1810, from Buddha + -ist. An earlier word in this sense was a direct borrowing of Sanskrit Bauddha "follower of Buddha" (1801 in English), hence early erroneous hybrid compounds such as Boudhist, Bauddhist.[Buddhist etymology, Buddhist origin, 英语词源]
buddy (n.)youdaoicibaDictYouDict
1850, American English, possibly an alteration of brother, or from British colloquial butty "companion" (1802), itself perhaps a variant of booty in booty fellow "confederate who shares plunder" (1520s). But butty, meaning "work-mate," also was a localized dialect word in England and Wales, attested since 18c., and long associated with coal miners. Short form bud is attested from 1851. Reduplicated form buddy-buddy (adj.) attested by 1952, American English.
Lenny Kent, a long-time fave here, is really in his element. ... After four weeks here he's got everone in town saying, "Hiya, Buddy, Buddy" with a drawl simulating his. [Review of Ned Schuyler's 5 O'Clock Club, Miami Beach, Fla., "Billboard," Nov. 12, 1949]
Buddy system attested from 1920.
buddy (v.)youdaoicibaDictYouDict
1931, perhaps originally U.S. underworld slang, usually with up, from buddy (n.). Related: Buddied; buddying.
budge (v.)youdaoicibaDictYouDict
1580s, from Middle French bougier "to move, stir" (Modern French bouger), from Vulgar Latin *bullicare "to bubble, boil" (hence, "to be in motion"), from Latin bullire "to boil" (see boil (v.)). Compare Spanish bullir "to move about, bustle;" Portuguese bulir "to move a thing from its place." Related: Budged; budging.
budgerigar (n.)youdaoicibaDictYouDict
1847, from Native Australian, said to mean "good cockatoo," from budgeri "good" + gar "cockatoo."
budget (v.)youdaoicibaDictYouDict
"to include in a (fiscal) budget," 1884, from budget (n.). Related: Budgeted; budgeting.
budget (n.)youdaoicibaDictYouDict
early 15c., "leather pouch," from Middle French bougette, diminutive of Old French bouge "leather bag, wallet, pouch," from Latin bulga "leather bag," of Gaulish origin (compare Old Irish bolg "bag," Breton bolc'h "flax pod"), from PIE *bhelgh- (see belly (n.)). Modern financial meaning (1733) is from notion of treasury minister keeping his fiscal plans in a wallet. Another 18c. transferred sense was "bundle of news," hence the use of the word as the title of some newspapers.
budgie (n.)youdaoicibaDictYouDict
1936, short for budgerigar.
buff (n.)youdaoicibaDictYouDict
1570s, buffe leather "leather made of buffalo hide," from Middle French buffle "buffalo" (15c., via Italian, from Latin bufalus; see buffalo (n.)).

The color term comes from the hue of buffalo hides (later ox hides). Association of "hide" and "skin" led c. 1600 to in the buff. Buff-colored uniforms of New York City volunteer firefighters since 1820s led to meaning "enthusiast" (1903).
The Buffs are men and boys whose love of fires, fire-fighting and firemen is a predominant characteristic. [N.Y. "Sun," Feb. 4, 1903]
buff (adj.)youdaoicibaDictYouDict
"well-built, hunky," 1980s, from buff (v.) "polish, make attractive."
buff (v.)youdaoicibaDictYouDict
"to polish, make attractive," 1885, in reference to the treatment of buff leather or else to the use of buff cloth in polishing metals, from buff (n.). Related: Buffed; buffing.
buffalo (n.)youdaoicibaDictYouDict
1580s (earlier buffel, 1510s, from Middle French), from Portuguese bufalo "water buffalo," from Latin bufalus, variant of bubalus "wild ox," from Greek boubalos "buffalo," originally a kind of African antelope, later used of a type of domesticated ox in southern Asia and the Mediterranean lands, perhaps from bous "ox, cow" (see cow (n.)). Wrongly applied since 1630s to the American bison. Buffalo gnat is recorded from 1822.
BuffaloyoudaoicibaDictYouDict
city in western New York state, U.S., of disputed origin (there never were buffalo thereabouts), perhaps from the name of a native chief, or a corruption of French beau fleuve "beautiful river." Buffalo wings finger food so called because the recipe was invented in Buffalo (1964, at Frank & Teressa's Anchor Bar on Main Street).
buffalo (v.)youdaoicibaDictYouDict
"alarm, overawe," 1900, from buffalo (n.). Probably from the animals' tendency to mass panic. Related: Buffaloed; buffaloing.
buffer (n.)youdaoicibaDictYouDict
1835, agent noun from obsolete verb buff "make a dull sound when struck" (mid-16c.), from Old French bufe "a blow, slap, punch" (see buffet (n.2)); hence also "something that absorbs a blow."
buffer (v.)youdaoicibaDictYouDict
1894, from buffer (n.). Related: Buffered; buffering.
buffet (v.)youdaoicibaDictYouDict
c. 1200, "to strike with the fist or hand; cuff, box, slap; from Old French bufeter "to strike, slap, punch," from bufet (see buffet (n.2)). Related: Buffeted; buffeting.
buffet (n.1)youdaoicibaDictYouDict
"table," 1718, from French bufet "bench, stool, sideboard," 12c., which is of uncertain origin. Sense in English extended 1888 to "meal served from a buffet."
buffet (n.2)youdaoicibaDictYouDict
c. 1200, "blow struck with a fist or weapon," from Old French bufet "slap, punch," diminutive of bufe "a blow, slap, punch; puff of wind," figuratively "cunning trick," probably echoic of the sound of something soft being hit.
bufflehead (n.)youdaoicibaDictYouDict
small North American duck, 1858 (buffle-headed duck attested from 1831), from buffle (1510s), obsolete variant of buffalo (n.) + head (n.). So called for its large head; earlier the noun meant "stupid person" (1650s; compare buffle-headed "big-headed," also "foolish," 1650s).