英语词源字典 - 在线词源网站

sideburns (n.)[sideburns 词源字典]: 1880, American English, alteration of burnsides (q.v).[sideburns etymology, sideburns origin, 英语词源]
sidekick (n.): also side-kick, "companion or close associate," 1901, also side-kicker (1903), American English, of unknown origin. Earlier terms were side-pal (1886), side-partner (1886).
sidelight (n.): also side-light, c. 1600, "light coming from the side," from side (adj.) + light (n.). Figurative meaning "incidental information on a subject" is attested from 1862.
sideline (n.): also side-line, "line on the side of a fish," 1768; "lines marking the limits of playing area" (on a football field, etc.), 1862, from side (adj.) + line (q.v.). Meaning "course of business aside from one's regular occupation" is from 1890. Railway sense is from 1890. The figurative sense of "position removed from active participation" is attested from 1934 (from the railway sense or from sports, because players who are not in the game stand along the sidelines). The verb meaning "put out of play" is from 1945. Related: Sidelined; sidelining.
sidelong (adv.): "towartd the side," 1570s, alteration of Middle English sidlyng (see sidle), probably by influence of side (n.) + long (adj.). As an adjective from 1590s.
sideman (n.): "supporting musician," 1936, from side (adj.) + man (n.). Earlier it meant "assistant to a church warden" (1560s).
sidenote (n.): 1776, from side (adj.) + note (n.).
sidereal (adj.): also siderial, 1630s, "star-like;" 1640s, "of or pertaining to the stars," earlier sideral (1590s), from French sidereal (16c.), from Latin sidereus "starry, astral, of the constellations," from sidus (genitive sideris) "star, group of stars, constellation," probably from PIE root *sweid- "to shine" (cognates: Lithuanian svidus "shining, bright"). Sidereal time is measured by the apparent diurnal motion of the fixed stars. The sidereal day begins and ends with the passage of the vernal equinox over the meridian and is about four minutes shorter than the solar day, measured by the passage of the sun over the meridian.
sideshow (n.): also side-show, 1855, "minor exhibition alongside or near a principal one," apparently a coinage of P.T. Barnum's, from side (adj.) + show (n.). Hence, any diversion or distracting event.
sidestep (n.): also side-step, 1757, "a stepping to the side" (originally in military drill), from side (adj.) + step (n.). The verb is recorded from 1895; the figurative sense is attested from 1900.
sidetrack (n.): also side-track, "railway siding," 1835, from side (adj.) + track (n.). The verb meaning "to move (a train car) onto a sidetrack" is from 1874; figurative sense of "to divert from the main purpose" is attested from 1881. Related: Sidetracked.
sidewalk (n.): "path for pedestrians on the side of a street," 1739, from side (adj.) + walk (n.). The use of sidewalk for pavement as one of the characteristic differences between American and British English has been noted since at least 1902.
sideways (adv.): 1570s, from side (n.) + way (n.), with adverbial genitive. To look sideways "cast scornful glances" is recorded from 1844.
sidewinder (n.): small horned rattlesnake of southwestern U.S., 1875, American English, from side (adj.) + agent noun of wind (v.), so called in reference to its "peculiar lateral progressive motion." Also sidewiper (1888).
Sidhe: "the hills of the fairies," 1793; but in Yeats, "the fairie folk" (1899), elipsis of Irish (aos) sidhe "people of the faerie mound" (compare second element in banshee).
siding (n.): c. 1600, "a taking of sides in a conflict or debate," verbal noun from side. First attested 1825 in the railroad sense; 1829, American English, in the architectural sense of "boarding on the sides of a building."
sidle (v.): "to move or go sideways," 1690s, back-formation from obsolete Middle English sidlyng (adv.) "obliquely, sideways; aslant; laterally" (early 14c., perhaps in Old English), from side (n.) + adverbial suffix -ling; altered on analogy of verbs ending in -le. Related: Sidled; sidling. Old English had sidlingweg (n.) "sidelong-way, oblique road."
Sidon: ancient Phoenician city, from Greek Sidon, from Phoenician Tzidhon, literally "fishing place," from tzud "to hunt, to capture." Related: Sidonian.
SIDS (n.): 1970, acronym for Sudden Infant Death Syndrome.
Sieg Heil (interj.): Nazi salute, German, literally "hail victory;" from German Sieg "victory," from Old High German sigu (see Siegfried), second element from Proto-Germanic *hailitho (see health). English heil was used in Middle English as a salutation implying respect or reverence (c. 1200; see hail (interj.)).