英语词源字典 - 在线词源网站

Doric (adj.)[Doric 词源字典]: 1560s, see Dorian; in reference to the architectural order, 1610s. The Doric dialect in ancient Greek theater was broad and rustic, hence it has been applied in English to northern and Scots dialects (1837).[Doric etymology, Doric origin, 英语词源]
dork (n.): "stupid person," 1967, originally U.S. student slang, perhaps from earlier meaning "penis" (1964), itself probably an alteration of dick. Related: Dorky; dorkiness.
dorm (n.): 1900, colloquial shortening of dormitory.
dormancy (n.): 1723; see dormant + -cy. Middle English had dormitation "sleep, sleeping" (mid-15c.)
dormant (adj.): late 14c., "fixed in place," from Old French dormant (12c.), present participle of dormir "to sleep," from Latin dormire "to sleep," from PIE root *drem- "to sleep" (cognates: Old Church Slavonic dremati "to sleep, doze," Greek edrathon "I slept," Sanskrit drati "sleeps"). Meaning "in a resting situation" (in heraldry) is from c. 1500. Meaning "sleeping' is from 1620s.
dormer (n.): 1590s, originally "window of a sleeping room," from Middle French dormeor "sleeping room," from dormir "to sleep" (see dormant).
dormitory (n.): mid-15c., from Latin dormitorium "sleeping place," from dormire "to sleep" (see dormant). Old English had slæpern "dormitory," with ending as in barn.
dormouse (n.): early 15c., possibly from Anglo-French *dormouse "tending to be dormant" (from stem of dormir "to sleep," see dormer), with the second element mistaken for mouse; or perhaps it is from a Middle English dialectal compound of mouse and Middle French dormir. The rodent is inactive in winter. French dormeuse, fem. of dormeur "sleeper" is attested only from 17c.
Dorothy: fem. proper name, from French Dorothée, from Latin Dorothea, from Greek, literally "gift of God," from doron "gift" (see date (n.1)) + fem. of theos "god" (see theo-). With the elements reversed, it becomes Theodora. The accessory called a Dorothy bag is so called from 1907.
dorsal (adj.): early 15c., from Old French dorsal (14c.) or directly from Medieval Latin dorsalis, corresponding to Latin dorsualis "of the back," from dorsum "back," which is of uncertain origin.
dory (n.1): "small, flat-bottomed boat," 1709, American English, perhaps from a West Indian or Central American Indian language.
dory (n.2): type of edible fish, mid-15c., from Old French doree, originally the fem. past participle of dorer "to gild," from Latin deauratus, past participle of deaurare, from de-, here probably intensive, + aurare "to gild," from aurum (see aureate). So called in reference to its colorings.
dosage (n.): 1867; see dose + -age, perhaps on model of French dosage (1812).
dose (n.): early 15c., "the giving of medicine (in a specified amount or at a stated time)," from Middle French dose (15c.) or directly from Late Latin dosis, from Greek dosis "a portion prescribed," literally "a giving," used by Galen and other Greek physicians to mean an amount of medicine, from stem of didonai "to give" (see date (n.1)). Slang meaning "venereal disease" is from 1914.
dose (v.): 1650s, from dose (n.). Related: Dosed; dosing.
dossier (n.): 1880, from French dossier "bundle of papers," from dos "back" (12c.), from Vulgar Latin dossum, variant of Latin dorsum "back" (see dorsal). Supposedly so called because the bundle bore a label on the back, or possibly from resemblance of the bulge in a mass of bundled papers to the curve of a back. Old French dossiere meant "back-strap, ridge strap (of a horse's harness)."
dot (n.): Old English dott "speck, head of a boil," perhaps related to Norwegian dot "lump, small knot," Dutch dot "knot, small bunch, wisp," Old High German tutta "nipple;" ultimate origin unclear.

Known from a single source c. 1000; the word reappeared with modern meaning "mark" c. 1530; not common until 18c. Morse telegraph sense is from 1838. On the dot "punctual" is 1909, in reference to a clock dial face. Dot-matrix first attested 1975.
dot (v.): 1740, from dot (n.). Related: Dotted; dotting.
dotage (n.): "the state of one who dotes," c. 1300; see dote + -age. Originally of all sorts of mental impairment, not just that resulting from old age. First recorded late 14c. for "senility."
dotard (n.): "imbecile," late 14c., from dote + -ard.