splendorous (adj.)youdaoicibaDictYouDict[splendorous 词源字典]
1590s, from splendor + -ous. Related: Splendorously; splendorousness.[splendorous etymology, splendorous origin, 英语词源]
splendour (n.)youdaoicibaDictYouDict
chiefly British English spelling of splendor; for ending see -or. Related: Splendourous; splendourously.
splenetic (adj.)youdaoicibaDictYouDict
1540s, "pertaining to the spleen," from Late Latin spleneticus, from splen (see spleen). Meaning "irritably morose" is from 1590s. Alternative splenic (1610s) is from French splénique (16c.).
Gloomy, Sullen, Sulky, Morose, Splenetic. These words are arranged in the order of their intensity and of their degree of activity toward others. [Century Dictionary]
spleno-youdaoicibaDictYouDict
before vowels splen-, word-forming element meaning "spleen, spleen and," from comb. form of Greek splen (see spleen).
splenomegaly (n.)youdaoicibaDictYouDict
enlargement of the spleen, 1900, from spleno- + Greek megas "great" (fem. megale; see mickle).
splice (v.)youdaoicibaDictYouDict
1520s, originally a sailors' word, from Middle Dutch splissen "to splice" (Dutch splitsen), from Proto-Germanic *spli-, from PIE root *(s)plei- "to split, splice" (see flint). The Dutch word was borrowed in French as épisser. Used of motion picture film from 1912; of DNA from 1975. Related: Spliced; splicing; splicer.
splice (n.)youdaoicibaDictYouDict
1620s (implied in splicing), first recorded in writing of Capt. John Smith, from splice (v.). Motion picture film sense is from 1923. In colloquial use, "marriage union, wedding" (1830).
spliff (n.)youdaoicibaDictYouDict
conical cannabis cigarette, 1936, a West Indian word, of unknown origin.
spline (n.)youdaoicibaDictYouDict
long, thin piece of wood or metal, 1756, from East Anglian dialect, of uncertain origin. Perhaps from older Danish splind or North Frisian splinj. Especially one fitted into a groove on a wheel and a shaft to keep them revolving together (1864).
splint (n.)youdaoicibaDictYouDict
c. 1300, "overlapping plate or strip in armor" (made of metal splints), probably from Middle Low German splinte, splente "thin piece of iron," related to Middle Dutch splinte "splint," probably literally "thin piece cut off," and from a Germanic offshoot of PIE *(s)plei- "to split, splice" (see flint). Cognate with Danish splint "splinter," Swedish splint "wooden peg, wedge." Meaning "slender, flexible slip of wood" is recorded from early 14c.; specific surgical sense is attested from c. 1400.
splinter (n.)youdaoicibaDictYouDict
early 14c., from Middle Dutch splinter, splenter "a splinter," related to splinte (see splint). The adjective (in splinter party, etc.) is first recorded 1935, from the noun.
splinter (v.)youdaoicibaDictYouDict
1580s (transitive), from splinter (n.). Figurative sense from c. 1600. Intransitive use from 1620s. Middle English had splinder (v.) "to shatter" (of a spear, etc.), mid-15c. Related: Splintered; splintering.
split (v.)youdaoicibaDictYouDict
1580s (transitive and intransitive), not found in Middle English, probably from a Low German source such as Middle Dutch splitten, from Proto-Germanic *spl(e)it- (cognates: Danish and Frisian splitte, Old Frisian splita, German spleißen "to split"), from PIE *(s)plei- "to split, splice" (see flint).

U.S. slang meaning "leave, depart" first recorded 1954. Of couples, "to separate, to divorce" from 1942. To split the difference is suggested from 1715; to split (one's) ticket in the U.S. political sense is attested from 1842. To split hairs "make too-nice distinctions" is from 1670s (split a hair). Splitting image "exact likeness" is from 1880. To split the atom is from 1909.
split (adj.)youdaoicibaDictYouDict
1640s, past participle adjective from split (v.). Split decision is from 1946 of court rulings, 1951 in boxing. Split shift is from 1904. Split personality first attested 1899.
split (n.)youdaoicibaDictYouDict
1590s, "narrow cleft, crack, fissure," from split (v.). Meaning "piece of wood formed by splitting" is from 1610s. Meaning "an act of separation, a divorce" is from 1729. From 1861 as the name of the acrobatic feat. Meaning "a drink composed of two liquors" is from 1882; that of "sweet dish of sliced fruit with ice cream" is attested from 1920, American English. Slang meaning "share of the take" is from 1889. Meaning "a draw in a double-header" is from 1920.
split-level (adj.)youdaoicibaDictYouDict
1951 as a type of building plan, from split (adj.) + level (n.). As a noun from 1954, short for split-level house, etc.
split-screen (adj.)youdaoicibaDictYouDict
1949, from noun use (1946); see split (adj.) + screen (n.).
split-second (n.)youdaoicibaDictYouDict
1884, originally the name of a type of stopwatch with two second hands that could be stopped independently. Meaning "a fraction of a second" is from 1912, from split (adj.) + second (n.1); adjectival meaning "occurring in a fraction of a second" is from 1946.
splosh (v.)youdaoicibaDictYouDict
1889 [in Farmer, who calls it "A New England variant of splash"], ultimately imitative. Perhaps influenced by splish-splosh "sound made by feet walking through wet" (1881). Related: Sploshed; sploshing.
splotch (n.)youdaoicibaDictYouDict
c. 1600, "a broad, ill-defined spot," perhaps a blend of spot, blot, and/or botch. Old English had splott "spot, blot; patch of land." Related: Splotchy; splotchiness.