英语词源字典 - 在线词源网站

demystify (v.)[demystify 词源字典]: 1963; see de- + mystify. Related: Demystified; demystifying.[demystify etymology, demystify origin, 英语词源]
den (n.): Old English denn "wild animal's lair," from Proto-Germanic *danjan (cognates: Middle Low German denne "lowland, wooded vale, den," Old English denu "valley," Old Frisian dene "down," Old High German tenni, German tenne "threshing floor," from PIE *dan- "low ground"). Sense of "small room" is 1771, originally colloquial.
denarius (n.): ancient Roman silver coin, 1570s, from Latin denarius, noun use of adjective meaning "containing ten," and short for denarius nummus "the coin containing ten (aces)," from deni- "by tens," from decem "ten" (see ten).
denationalize (v.): 1807, "to deprive of nationality," from French dénationaliser (said in contemporary English publications to have been coined by Napoleon Buonaparte; denapoleonize was coined shortly thereafter); see de- + nationalize. Meaning "to transfer from national to private ownership" recorded from 1921. Related: Denationalized; denationalization.
denaturation (n.): 1845, earlier in French and German; see denature + -ation.
denature (v.): 1878, in modern sense, from French dénaturer (Old French desnaturer "change the nature of; make unnatural"); see de- + nature. Earlier "to make unnatural" (1680s). Related: Denatured.
dendrite (n.): mid-18c., from Greek dendrites "of or pertaining to a tree," from dendron "tree" (see dendro-). The mineral so called for its markings.
dendritic (adj.): 1816; see dendrite + -ic.
dendro-: word-forming element meaning "tree," from Greek dendro-, comb. form of dendron "tree," sometimes especially "fruit tree" (as opposed to hyle "timber"), from PIE *der-drew-, from root *deru- "to be firm, solid, steadfast," specifically used for "wood, tree" (see tree (n.)).
dendrochronology (n.): "dating by tree rings," 1928; see dendro- + chronology.
dendrology (n.): 1708, from dendro- + -ology.
dene (n.2): "bare, sandy tract by the sea," late 13c., of uncertain origin, perhaps connected to dune, but the sense difference is difficult.
dene (n.1): "small valley," from Old English denu "valley" (see den).
Deneb: bright star in the tail of the constellation Cygnus the Swan, 1741, from Arabic Al Dhanab al Dajajah "the Hen's Tail."
Denebola: second-brightest star in Leo, from Latinized corruption of Arabic dhanab al-(asad) "tail of the lion." In 18c., often simply Deneb.
dengue (n.): 1828, from West Indian Spanish dengue, from an African source, perhaps Swahili dinga "seizure, cramp," form influenced by Spanish dengue "prudery" (perhaps because sufferers walk stiffly and erect due to painful joints). The disease is African, introduced to the West Indies 1827.
denial (n.): 1520s; see deny + -al (2). Replaced earlier denyance (mid-15c.). Meaning "unconscious suppression of painful or embarrassing feelings" first attested 1914 in A.A. Brill's translation of Freud's "Psychopathology of Everyday Life"; phrase in denial popularized 1980s.
denier (n.): French coin, early 15c., from Old French dener, a small coin of slight value, roughly equivalent to the English penny, in use in France from the time of Charlemagne to early modern times, from Latin denarium, from denarius, name of a Roman coin (source also of Spanish dinero; see denarius).
denigrate (v.): 1520s, from Latin denigratus, past participle of denigrare "to blacken, defame," from de- "completely" (see de-) + nigr-, stem of niger "black" (see Negro). which is of unknown origin. "Apparently disused in 18th c. and revived in 19th c." [OED]. Related: Denigrated; denigrating.
denigration (n.): early 15c., from Late Latin denigrationem (nominative denigratio), noun of action from past participle stem of Latin denigrare (see denigrate).