volubility (n.)youdaoicibaDictYouDict[volubility 词源字典]
1570s, from Middle French volubilité (16c.) or directly from Latin volubilitatem (nominative volubilitas) "a rapid turning," figuratively "fluency (of speech)," from volubilis (see voluble).[volubility etymology, volubility origin, 英语词源]
voluble (adj.)youdaoicibaDictYouDict
early 15c., "liable to constant change," from Middle French voluble, from Latin volubilis "that turns around, rolling, flowing," figuratively (of speech) "fluent, rapid," from volvere "to turn around, roll" (see volvox). Meaning "fluent, talkative" first recorded 1580s. Related: Volubly.
volume (n.)youdaoicibaDictYouDict
late 14c., "roll of parchment containing writing; a bound book," from Old French volume "scroll, book; work, volume; girth, size" (13c.) and directly from Latin volumen (genitive voluminis) "roll (of a manuscript); coil, wreath," literally "that which is rolled," from volvere "to turn around, roll" (see volvox). Meaning "book forming part of a set" is 1520s in English, from that sense in French. Generalized sense of "bulk, mass, quantity" (1620s) developed from that of "bulk or size of a book" (1520s), again following the sense evolution in the French word.
volumetric (adj.)youdaoicibaDictYouDict
1854, from volumeter "instrument for measuring the volume of liquids and gases" (1827) + -ic. Related: Volumetrical (1853).
voluminous (adj.)youdaoicibaDictYouDict
1610s, "forming a large mass," also "full of turnings and windings," from Late Latin voluminosus, from Latin volumen (genitive voluminis) "volume" (see volume). Related: Voluminously; voluminousness.
voluntarism (n.)youdaoicibaDictYouDict
1838, "theory or principal of using voluntary action rather than coercion (in politics, religion, etc.), from voluntary + -ism. (Voluntaryism in the religious sense, as opposed to establishmentarianism, is recorded from 1835.) In philosophy, "theory that the will is the basic principle," 1896, from German Voluntarismus (Tönnies, 1883).
voluntary (adj.)youdaoicibaDictYouDict
late 14c., from Latin voluntarius "willing, of one's free will," from voluntas "will," from the ancient accusative singular present participle of velle "to wish" (see will (v.)). Originally of feelings, later also of actions (mid-15c.). Related: Voluntarily.
volunteer (n.)youdaoicibaDictYouDict
c. 1600, "one who offers himself for military service," from Middle French voluntaire, "one who volunteers," also as an adjective, "voluntary," from Latin voluntarius "voluntary, of one's free will," as a plural noun "volunteers" (see voluntary). Non-military sense is first recorded 1630s. As an adjective from 1640s. Tennessee has been the Volunteer State since the Mexican War, when a call for 2,800 volunteers brought out 30,000 men.
volunteer (v.)youdaoicibaDictYouDict
1755, from volunteer (n.). Related: Volunteered; volunteering (1690s as a verbal noun).
volunteerism (n.)youdaoicibaDictYouDict
1844, with reference to armed forces; from volunteer + -ism. In reference to volunteer labor in community activities, by 1977.
voluptuaryyoudaoicibaDictYouDict
c. 1600 (noun and adjective), from French voluptuaire and directly from Latin voluptuarius, earlier voluptarius "of pleasure, giving enjoyment; devoted to pleasure, luxurious," from voluptas "pleasure" (see voluptuous).
voluptuous (adj.)youdaoicibaDictYouDict
late 14c., "of or pertaining to desires or appetites," from Old French voluptueux, volumptueuse and directly from Latin voluptuosus "full of pleasure, delightful," from voluptas "pleasure, delight, enjoyment, satisfaction," from volup "pleasurably," perhaps ultimately related to velle "to wish," from PIE *wel- (2) "to wish, will" (see will (v.)). Meaning "addicted to sensual pleasure" is recorded from mid-15c. Sense of "suggestive of sensual pleasure" is attested from 1816 (Byron); especially in reference to feminine beauty from 1839. Related: Voluptuously; voluptuousness.
volute (n.)youdaoicibaDictYouDict
1690s, "spiral ornament on an Ionic capital," from French volute (16c.), from Italian voluta, from Latin voluta "a spiral scroll," noun use of fem. past participle of volvere "to turn around, roll" (see volvox). Extended 1756 to any spiral thing or part. As a type of spiral seashell, it is attested from 1753.
volvox (n.)youdaoicibaDictYouDict
genus of fresh-water algae, 1798, from Latin volvere "to roll," from PIE root *wel- (3) "to turn, revolve," with derivatives referring to curved, enclosing objects (cognates: Sanskrit valate "turns round," ulvam "womb, vulva;" Lithuanian valtis "twine, net," vilnis "wave," apvalus "round;" Old Church Slavonic valiti "roll, welter," vlŭna "wave;" Greek eluo "wind, wrap," helix "spiral object," eilein "to turn, squeeze;" Gothic walwjan "to roll;" Old English wealwian "roll," weoloc "whelk, spiral-shelled mollusk;" Old High German walzan "to roll, waltz;" Old Irish fulumain "rolling;" Welsh olwyn "wheel"). So called from their motion.
volvulus (n.)youdaoicibaDictYouDict
knotting of the bowels, 1670s, medical Latin, from Latin volvere "to turn, twist" (see volvox).
vomit (n.)youdaoicibaDictYouDict
late 14c., "act of expelling contents of the stomach through the mouth," from Anglo-French vomit, Old French vomite, from Latin vomitus, from vomitare "to vomit often," frequentative of vomere "to puke, spew forth, discharge," from PIE root *weme- "to spit, vomit" (cognates: Greek emein "to vomit," emetikos "provoking sickness;" Sanskrit vamati "he vomits;" Avestan vam- "to spit;" Lithuanian vemiù "to vomit," Old Norse væma "seasickness"). In reference to the matter so ejected, it is attested from late 14c.
vomit (v.)youdaoicibaDictYouDict
early 15c., from Latin vomitus, past participle of vomitare (see vomit (n.)). Related: Vomited; vomiting.
vomitorium (n.)youdaoicibaDictYouDict
1754, "passage or opening in an ancient amphitheater, leading to or from the seats," from Latin (Macrobius, Sat., VI.iv), from vomitare (see vomit (n.)) + -orium (see -ory). Meaning "place where ancient Romans (allegedly) deliberately vomited during feasts" is attested by 1876.
vonyoudaoicibaDictYouDict
German, "of, from."
voodoo (n.)youdaoicibaDictYouDict
religious witchcraft of Haiti and Southern U.S., ultimately of African origin, 1850, from Louisiana French voudou, from a West African language (such as Ewe and Fon vodu "spirit, demon, deity," also Vandoo, supposedly the name of an African deity, from a language of Dahomey). Compare vodun "fetish connected with snake worship in Dahomey," said to be from vo "to be afraid," or vo "harmful." The verb is attested from 1880.