stout (n.)youdaoicibaDictYouDict[stout 词源字典]
1670s, "strong beer or ale," from stout (adj.). Later especially, and now usually, "porter of extra strength" (by 1762).[stout etymology, stout origin, 英语词源]
stove (n.)youdaoicibaDictYouDict
mid-15c., "heated room, bath-room," from Middle Low German or Middle Dutch stove, both meaning "heated room," which was the original sense in English; a general West Germanic word (Old English stofa "bath-room," Old High German stuba, German Stube "sitting room").

Of uncertain relationship to similar words in Romance languages (Italian stufa, French étuve "sweating-room;" see stew (v.)). One theory traces them all to Vulgar Latin *extufare "take a steam bath." The meaning "device for heating or cooking" is first recorded 1610s.
stove-pipe (n.)youdaoicibaDictYouDict
1690s, from stove (n.) + pipe (n.). As a type of hat for men, from 1851, so called for being tall and cylindrical like a stove-pipe.
stow (v.)youdaoicibaDictYouDict
c. 1300, "to put, place (somewhere)," verbal use of Old English noun stow "a place, spot, site, locality" (common in place names), from Proto-Germanic *stowo- (cognates: Old Frisian sto "place," Middle Low German, Middle Dutch stouwen, Dutch stuwen "to stow," Old High German stouwen "to stop, check," German stauen "to stow, pack; bring to a halt, hem in"), from PIE *stau- "stout, standing, strong," extended form of root *sta- "to stand" (cognates: Old Church Slavonic stavljo "to place," Lithuanian stoviu "to stand;" see stet). The nautical sense of "put away to be stored, pack" (1550s) was enforced by Dutch stouwen "to cram, pack up close." Related: Stowed; stowing.
stowaway (n.)youdaoicibaDictYouDict
1848, from verbal phrase stow away "conceal," in use by 1795; see stow + away.
STP (n.)youdaoicibaDictYouDict
commercial motor oil additive, probably an initialism (acronym) of scientifically treated petroleum. As the street name of a type of psychedelic drug, attested from 1967.
strabismus (n.)youdaoicibaDictYouDict
"a squinting," 1680s, medical Latin, from Greek strabismos, from strabizein "to squint," from strabos "squinting, squint-eyed," related to strobos "a whirling round," from PIE *streb(h)- "to wind, turn" (see strophe). Earlier in anglicized form strabism (1650s). Related: Strabismal; strabismic; strabismical.
straddle (v.)youdaoicibaDictYouDict
1560s, "spread the legs wide," probably an alteration of striddle (mid-15c.), frequentative of striden (see stride (v.)). Transitive sense "place one leg on one side of and the other on the other side of" is from 1670s. U.S. colloquial figurative sense of "take up an equivocal position, appear to favor both sides" is attested from 1838. Related: Straddled; straddling. The noun is first recorded 1610s.
Stradivarius (n.)youdaoicibaDictYouDict
valued type of violin, 1818, from Latinized form of name of Antonio Stradivari (1644-1737), violin-maker of Cremona, or his sons or pupils. Short form Strad is attested from 1884.
strafe (v.)youdaoicibaDictYouDict
1915, "punish, attack, bomb heavily," picked up by British soldiers from German strafen "to punish" (from Proto-Germanic *stræf-), in slogan Gott strafe England "May God punish England," current in Germany c. 1914-16 at the start of World War I. The word used for many kinds of attack at first; meaning "shoot up ground positions from low-flying aircraft" emerged as the main sense 1942. Related: Strafed; strafing.
straggle (v.)youdaoicibaDictYouDict
early 15c., "to wander from the proper path, stray, to rove from one's companions," perhaps from a Scandinavian source (compare dialectal Norwegian stragla "to walk laboriously"), or a frequentative of Middle English straken "to move, go." Specifically of soldiers, "be dispersed, be apart from the main body," from 1520s. Related: Straggled; straggling.
straggler (n.)youdaoicibaDictYouDict
1520s, agent noun from straggle (v.).
straight (adj.1)youdaoicibaDictYouDict
late 14c., "direct, undeviating; not crooked, not bent or curved," of a person, "direct, honest;" properly "stretched," adjectival use of Old English streht (earlier streaht), past participle of streccan "to stretch" (see stretch (v.)). Related: Straightly; straightness.

Meaning "true, direct, honest" is from 1520s. Of communication, "clear, unambiguous," from 1862. Sense of "undiluted, uncompromising" (as in straight whiskey, 1874) is American English, first recorded 1856. As an adverb from c. 1300, "in a straight line, without swerving or deviating." Theatrical sense of "serious" (as opposed to popular or comic) is attested from 1895; vaudeville slang straight man first attested 1923.

Go straight in the underworld slang sense is from 1919; straighten up "become respectable" is from 1907. To play it straight is from 1906 in theater, 1907 in sports ("play fair"), with figurative extension; later perhaps also from jazz. Straight arrow "decent, conventional person" is 1969, from archetypal Native American brave name. Straight shooter is from 1928. Straight As "top grades" is from 1920.
straight (adj.2)youdaoicibaDictYouDict
"conventional," especially "heterosexual," 1941, a secondary sense evolved from straight (adj.1), probably suggested by straight and narrow path "course of conventional morality and law-abiding behavior," which is based on a misreading of Matt. vii:14 (where the gate is actually strait), and the other influence seems to be from strait-laced.
straight (n.)youdaoicibaDictYouDict
1640s, "a level position," from straight (adj.1). From 1864 as "straight part of a race track." Poker sense attested from 1841. Meaning "conventional person" is first recorded 1967, from straight (adj.2).
straight-edge (n.)youdaoicibaDictYouDict
1812, "bar for drawing or measuring straight lines," from straight (adj.1) + edge (n.). As the name of a punk subculture, attested by 1987, probably suggested by straight (adj.2).
straight-faced (adj.)youdaoicibaDictYouDict
1938, of persons, "with visage showing no emotion or reaction," from expression keep a straight face (1897), from straight (adj.).
straighten (v.)youdaoicibaDictYouDict
1540s (transitive), from straight (adj.1) + -en (1). Intransitive sense from 1891. Related: Straightened; straightening; straightener. The Middle English verb was simply straight (late 14c.).
straightforward (adj.)youdaoicibaDictYouDict
1550s, "directly forward, right ahead," from straight (adj.1) + forward (adv.). In reference to language, from 1806. Related: Straightforwardly; straightforwardness.
strain (v.)youdaoicibaDictYouDict
c. 1300, "tie, bind, fasten, gird," from present participle stem of Old French estreindre "bind tightly, clasp, squeeze," from Latin stringere (2) "draw tight, bind tight, compress, press together," from PIE root *streig- "to stroke, rub, press" (cognates: Lithuanian stregti "congeal, freeze, become stiff;" Greek strangein "twist;" Old High German strician "mends nets;" Old English streccian "to stretch;" German stramm, Dutch stram "stiff").

From late 14c. as "tighten; make taut," also "exert oneself; overexert (a body part)," Sense of "press through a filter, put (a liquid) through a strainer" is from early 14c. (implied in strainer); that of "to stress beyond measure, carry too far, make a forced interpretation of" is from mid-15c. Related: Strained; straining.