delirious (adj.)youdaoicibaDictYouDict[delirious 词源字典]
1703, from stem of delirium + -ous. Figurative use attested from 1791. Related: Deliriously.[delirious etymology, delirious origin, 英语词源]
delirium (n.)youdaoicibaDictYouDict
1590s, from Latin delirium "madness," from deliriare "be crazy, rave," literally "go off the furrow," a plowing metaphor, from phrase de lire, from de "off, away" (see de-) + lira "furrow, earth thrown up between two furrows," from PIE *leis- (1) "track, furrow" (see learn).
delirium tremens (n.)youdaoicibaDictYouDict
1813, medical Latin, literally "trembling delirium," introduced 1813 by British physician Thomas Sutton, for "that form of delirium which is rendered worse by bleeding, but improved by opium. By Rayer and subsequent writers it has been almost exclusively applied to delirium resulting from the abuse of alcohol" [Sydenham Society Lexicon of Medicine]. As synonyms, Farmer lists barrel-fever, gallon distemper, blue Johnnies, bottle ache, pink spiders, quart-mania snakes in the boots, triangles, uglies, etc.
deliver (v.)youdaoicibaDictYouDict
c. 1200, "save, rescue, set free, liberate," from Old French delivrer "to set free; remove; save, preserve; hand over (goods)," also used of childbirth, from Late Latin deliberare, from de- "away" (see de-) + Latin liberare "to free" (see liberal (adj.)).

Childbirth sense in English, "to bring (a woman) to childbirth," is from c. 1300. Sense of "hand over, give, give up, yield" is c. 1300. in English, which brings it in opposition to its root. Meaning "project, throw" is 1590s. Related: Delivered; delivering.
deliverable (adj.)youdaoicibaDictYouDict
1755, from deliver + -able.
deliverance (n.)youdaoicibaDictYouDict
c. 1300, "action of setting free" in physical or spiritual senses, from Old French deliverance (12c.), from délivrer (see deliver). Formerly also with senses now restricted to delivery.
delivery (n.)youdaoicibaDictYouDict
early 15c., "action of handing over to another," from Anglo-French delivrée, noun use of fem. past participle of Old French délivrer (see deliver). Childbirth sense is attested from 1570s. Of speech, from 1580s. Of a blow, throw of a ball, etc., from 1702.
dell (n.1)youdaoicibaDictYouDict
Old English dell "dell, hollow, dale" (perhaps lost and then borrowed in Middle English from cognate Middle Dutch/Middle Low German delle), from Proto-Germanic *daljo (cognates: German Delle "dent, depression," Gothic ib-dalja "slope of a mountain"); related to dale (q.v.).
dell (n.2)youdaoicibaDictYouDict
rogue's cant 16c.-17c. for "a young girl of the vagrant class," of uncertain origin.
A Dell is a yonge wenche, able for generation, and not yet knowen or broken by the vpright man. ... [W]hen they have beene lyen with all by the vpright man then they be Doxes, and no Dells. [Thomas Harman, "A Caveat or Warning for Common Cursitors," 1567]
Della CruscayoudaoicibaDictYouDict
1796, from Italian Accademia della Crusca, literally "Academy of the Chaff," "the name of an Academy established at Florence in 1582, mainly with the object of sifting and purifying the Italian language; whence its name, and its emblem, a sieve" [OED].
Della RobbiayoudaoicibaDictYouDict
1787, from name of a family of 15c. Florentine painters and sculptors; used of wares made by Luca Della Robbia (1400-1482), or those like them.
delouse (v.)youdaoicibaDictYouDict
1918, from de- + louse. First used in reference to World War I armies. Related: Deloused; delousing.
DelphiyoudaoicibaDictYouDict
oracle town on slopes of Mount Parnassus, from Greek delphis "dolphin" (see dolphin). Supposedly Apollo assumed this form to found the shrine.
Delphic (adj.)youdaoicibaDictYouDict
1590s, from Latin Delphicus, from Greek Delphikos, from Delphi (see Delphi).
delt (n.)youdaoicibaDictYouDict
short for deltoid (q.v.).
delta (n.)youdaoicibaDictYouDict
c. 1200, Greek letter shaped like a triangle, equivalent to our "D," the name from Phoenician daleth "tent door." Herodotus used it of the mouth of the Nile, and it was so used in English from 1550s; applied to other river mouths from 1790.
deltoid (adj.)youdaoicibaDictYouDict
1741, in deltoid muscle, so called for its shape, from Greek deltoeides "triangular," literally "shaped like the letter delta;" see delta + -oid.
delude (v.)youdaoicibaDictYouDict
c. 1400, from Latin deludere "to play false; to mock, deceive," from de- "down, to one's detriment" (see de-) + ludere "to play" (see ludicrous). Related: Deluded; deluding.
deluge (n.)youdaoicibaDictYouDict
late 14c., from Old French deluge (12c.), earlier deluve, from Latin diluvium "flood, inundation," from diluere "wash away," from dis- "away" (see dis-) + -luere, comb. form of lavere "to wash" (see lave).
deluge (v.)youdaoicibaDictYouDict
1590s; see deluge (n.). Related: Deluged; deluging.