scummy (adj.)youdaoicibaDictYouDict[scummy 词源字典]
1570s, from scum + -y (2). Transferred sense of "filthy, disreputable" is recorded from 1932. Related: Scumminess.[scummy etymology, scummy origin, 英语词源]
scupper (n.)youdaoicibaDictYouDict
"opening in a ship's side at deck level to let the water flow out," early 15c., perhaps from Old French escopir "to spit out," or related to Dutch schop "shovel," or from Middle English scope "scoop" (see scoop (n.)).
scuppernong (n.)youdaoicibaDictYouDict
cultivated muscadine grape vine, 1811, from name of a river in North Carolina, U.S., recorded 18c. as Cascoponung, Cuscopang, from an unidentified American Indian word.
scurf (n.)youdaoicibaDictYouDict
late Old English sceorf, from Proto-Germanic *skurf- (cognates: Danish skurv, Middle Dutch scorf, Dutch schurft, Old High German scorf, German Schorf "scurf"), probably related to Old English sceorfan "to gnaw," scearfian "to cut into shreds," from PIE *skerp-, from root *(s)ker- "to cut" (see shear (v.)).
scurfy (adj.)youdaoicibaDictYouDict
late 15c., from scurf + -y (2). Compare scurvy. Related: Scurfiness.
scurrility (n.)youdaoicibaDictYouDict
c. 1500, from Latin scurrilitas "buffoonery," from scurrilis (see scurrilous).
scurrilous (adj.)youdaoicibaDictYouDict
"using such language as only the licence of a buffoon can warrant" [Johnson], 1570s, from scurrile "coarsely joking" (c. 1500, implied in scurrility), from Latin scurrilis "buffoonlike," from scurra "fashionable city idler, man-about-town," later "buffoon." According to Klein, "an Etruscan loan-word." Related: Scurrilously; scurrilousness.
scurry (v.)youdaoicibaDictYouDict
1810, perhaps from hurry-scurry (1732), a reduplication of hurry (v.). As a noun, 1823, from the verb.
scurvy (n.)youdaoicibaDictYouDict
1560s, noun use of adjective scurvy "covered with scabs, diseased, scorbutic" (early 15c.), variant of scurfy. It took on the narrower meaning of Dutch scheurbuik, French scorbut "scurvy," in reference to the disease characterized by swollen and bleeding gums, prostration, etc., perhaps from Old Norse skyrbjugr, which is perhaps literally "a swelling (bjugr) from drinking sour milk (skyr) on long sea voyages;" but OED has alternative etymology of Middle Dutch or Middle Low German origin, as "disease that lacerates the belly," from schoren "to lacerate" + Middle Low German buk, Dutch buik "belly."
scuse (v.)youdaoicibaDictYouDict
shortened form of excuse (v.), attested from late 15c.
scut (n.2)youdaoicibaDictYouDict
term of contempt for a person, 1873, of unknown origin.
scut (n.1)youdaoicibaDictYouDict
"short, erect tail" (of a rabbit, hare, deer, etc.), 1520s; earlier "a hare" (mid-15c.), perhaps from Old Norse skjota "to shoot (with a weapon), launch, push, shove quickly" (compare Norwegian skudda "to shove, push"), from PIE *skeud- "to shoot, chase, throw" (see shoot (v.)).
scutcheon (n.)youdaoicibaDictYouDict
mid-14c., short for escutcheon.
scuttle (n.)youdaoicibaDictYouDict
"bucket," late Old English scutel "dish, platter," from Latin scutella "serving platter" (source also of French écuelle, Spanish escudilla, Italian scudella "a plate, bowl"), diminutive of scutra "flat tray, dish," perhaps related to scutum "shield" (see hide (n.1)).

A common Germanic borrowing from Latin (Old Norse skutill, Middle Dutch schotel, Old High German scuzzila, German Schüssel "a dish"). Meaning "basket for sifting grain" is attested from mid-14c.; sense of "bucket for holding coal" first recorded 1849.
scuttle (v.1)youdaoicibaDictYouDict
"scamper, scurry," mid-15c., probably related to scud (v.). Related: Scuttled; scuttling.
I should have been a pair of ragged claws
Scuttling across the floors of silent seas.
[T.S. Eliot, "The Love Song of J. Alfred Prufrock"]
scuttle (v.2)youdaoicibaDictYouDict
"cut a hole in a ship to sink it," 1640s, from skottell (n.) "opening in a ship's deck" (late 15c.), from Middle French escoutille (Modern French écoutille) or directly from Spanish escotilla "hatchway," diminutive of escota "opening in a garment," from escotar "cut out," perhaps from e- "out" (see ex-) + Germanic *skaut-. Figurative use is recorded from 1888. Related: Scuttled; scuttling.
scuttlebutt (n.)youdaoicibaDictYouDict
1805, "cask of drinking water kept on a ship's deck, having a hole (scuttle) cut in it for a cup or dipper," from scuttle "opening in a ship's deck" (see scuttle (v.2)) + butt (n.2) "barrel." Earlier scuttle cask (1777). Meaning "rumor, gossip" first recorded 1901, originally nautical slang, traditionally said to be from the sailors' custom of gathering around the scuttlebutt to gossip. Compare water-cooler, figurative for "workplace gossip" mid-20c.
scuzzy (adj.)youdaoicibaDictYouDict
1968, North American colloquial, perhaps a blend of scummy and fuzzy [Barnhart]. First attested use is in reference to Ratso Rizzo in "Midnight Cowboy."
Scylla (n.)youdaoicibaDictYouDict
sea-monster in the Strait of Messina, from Latinized form of Greek Skylla, of unknown origin, perhaps related to skyllein "to tear."
scythe (n.)youdaoicibaDictYouDict
Old English siðe, sigði, from Proto-Germanic *segithoz (cognates: Middle Low German segede, Middle Dutch sichte, Old High German segensa, German Sense), from PIE root *sek- "to cut" (see section (n.)). The sc- spelling crept in early 15c., from influence of Latin scissor "carver, cutter" and scindere "to cut." Compare French scier "saw," a false spelling from sier.