英语词源字典 - 在线词源网站

detachable (adj.)[detachable 词源字典]: 1818; see detach + -able.[detachable etymology, detachable origin, 英语词源]
detachment (n.): 1660s, "action of detaching," from French détachement (17c.), from détacher (see detach). Meaning "portion of a military force" is from 1670s; that of "aloofness from objects or circumstances" is from 1798.
detail (n.): c. 1600, from French détail, from Old French detail "small piece or quantity," literally "a cutting in pieces," from detaillier "cut in pieces," from de- "entirely" (see de-) + taillier "to cut in pieces" (see tailor).

Modern sense is from French en détail "piece by piece, item by item" (as opposed to en gros), a commercial term used where we would today use retail. Military sense is 1708, from notion of "distribution in detail of the daily orders first given in general," including assignment of specific duties.
detail (v.): 1630s, from French détailler "cut up in pieces; narrate in particulars," from Old French detaillier, from detail (see detail (n.)). Related: Detailed; detailing.
detain (v.): early 15c., deteynen, from Old French detenir "to hold off, keep back" (12c.), from Latin detinere "hold off, keep back," from de- "from, away" (see de-) + tenere "to hold" (see tenet). Modern spelling is 17c., from influence of contain, retain, etc. Related: Detained; detaining.
detainee (n.): 1928, from detain + -ee.
detainer (n.): "one who detains," 1530s, agent noun from detain. As a legal term, "a detaining in one's possession," from 1610s, from Anglo-French detener, from Old French detenir (noun use of infinitive).
detect (v.): early 15c., from Latin detectus, past participle of detegere "uncover, expose," figuratively "discover, reveal, disclose," from de- "un-, off" (see de-) + tegere "to cover" (see stegosaurus). Related: Detected; detecting.
detection (n.): early 15c., "exposure, accusation," from Latin detectionem (nominative detectio) "an uncovering," noun of action from past participle stem of detegere (see detect).
detective (n.): 1850, short for detective police, from detective (adj.), 1843; see detect + -ive.
detector (n.): 1540s, from Latin detector "uncoverer, revealer," agent noun from detectus, past participle of detegere (see detect).
detente (n.): 1908 as a political term, a borrowing of French détente "loosening, slackening" (used in the Middle Ages for the catch of a crossbow), from Vulgar Latin detendita, fem. past participle of Latin detendere "loosen, release," from de- "from, away" (see de-) + tendere "stretch" (see tenet). The reference is to a "relaxing" in a political situation. The French word was earlier borrowed as detent (1680s) "catch which regulates the strike in a clock."
detention (n.): mid-15c., from Middle French détention (13c.), from Late Latin detentionem (nominative detentio), noun of action from past participle stem of Latin detinere (see detain). Sense of "confinement" used by 1570s (in reference to Mary Queen of Scots). In reference to school punishment, recorded from 1882.
deter (v.): 1570s, from Latin deterrere "to frighten from, discourage from," from de- "away" (see de-) + terrere "frighten" (see terrible). Deterrent is from 1829.
deterge (v.): 1620s, from French déterger (16c.), from Latin detergere (see detergent).
detergent (adj.): 1610s, from Latin detergentem (nominative detergens), present participle of detergere "to wipe away, cleanse," from de- "off, away" (see de-) + tergere "to rub, polish, wipe." Originally a medical term, application to "chemical cleansing product" is from 1938.
detergent (n.): "detergent substance," 1670s, from detergent (adj.).
deteriorate (v.): 1640s (as a past participle adjective, 1570s), from Late Latin deterioratus, past participle of deteriorare "get worse, make worse," from Latin deterior "worse, lower, inferior, meaner," contrastive of *deter "bad, lower," from PIE *de-tero-, from demonstrative stem *de- (see de). Originally transitive in English; intransitive sense is from 1758. Related: Deteriorated; deteriorating.
deterioration (n.): 1650s, possibly a native formation, or else from French détérioration (15c.), noun of action from détériorer, from Late Latin deteriorare (see deteriorate).
determinant: c. 1600 (adj.); 1680s (n.), from Latin determinantem (nominative determinans), present participle of determinare (see determine).