industrious (adj.)youdaoicibaDictYouDict[industrious 词源字典]
"characterized by energy, effort, and attention," 1520s (implied in industriously), from Middle French industrieux and directly from Late Latin industriosus, from Latin industria (see industry). Retains the etymological sense. Related: Industriousness.[industrious etymology, industrious origin, 英语词源]
industry (n.)youdaoicibaDictYouDict
late 15c., "cleverness, skill," from Old French industrie "activity; aptitude" (14c.) or directly from Latin industria "diligence, activity, zeal," fem. of industrius "industrious, diligent," used as a noun, from early Latin indostruus "diligent," from indu "in, within" + stem of struere "to build" (see structure (n.)). Sense of "diligence, effort" is from 1530s; meaning "trade or manufacture" first recorded 1560s; that of "systematic work" is 1610s.
indwelling (n.)youdaoicibaDictYouDict
"act of residing," late 14c. (Wyclif's translation of Latin inhabitatio), present participle of obsolete indwell, from in (adv.) + dwell (v.). He also used indweller for Latin inhabitans.
inebriate (v.)youdaoicibaDictYouDict
late 15c., from Latin inebriatus, past participle of inebriare "to make drunk," from in- "in" (see in- (2)) + ebriare "make drunk," from ebrius "drunk," of unknown origin. Related: Inebriated; inebriating. Also inebriacy; inebriant (n. and adj.); inebriety; and inebrious.
inebriated (adj.)youdaoicibaDictYouDict
"drunken," c. 1600, past participle adjective from inebriate.
inebriation (n.)youdaoicibaDictYouDict
1520s, from Late Latin inebriationem (nominative inebriatio), noun of action from past participle stem of inebriare (see inebriate).
inedible (adj.)youdaoicibaDictYouDict
"unfit to eat," 1822, from in- (1) "not, opposite of" + edible. Related: Inedibly; inedibility.
ineducable (adj.)youdaoicibaDictYouDict
1884, from in- (1) "not" + educable. Related: Ineducability.
ineffability (n.)youdaoicibaDictYouDict
1620s; see ineffable + -ity.
ineffable (adj.)youdaoicibaDictYouDict
late 14c., from Old French ineffable (14c.) or directly from Latin ineffabilis "unutterable," from in- "not, opposite of" (see in- (1)) + effabilis "speakable," from effari "utter," from ex- "out" (see ex-) + fari "to say, speak," from PIE root *bha- (2) "to speak, tell, say" (see fame (n.)). Plural noun ineffables was, for a time, a jocular euphemism for "trousers" (1823). Related: Ineffably.
ineffective (adj.)youdaoicibaDictYouDict
1650s, from in- (1) "not, opposite of" + effective. Related: Ineffectively; ineffectiveness.
ineffectual (adj.)youdaoicibaDictYouDict
early 15c., from in- (1) "not, opposite of" + effectual. Related: Ineffectually; ineffectuality.
inefficacious (adj.)youdaoicibaDictYouDict
1650s, from in- (1) "not, opposite of" + efficacious. Related: Inefficaciously; inefficaciousness (1640s).
inefficacy (n.)youdaoicibaDictYouDict
"want of force or virtue to produce the desired effect," 1610s, from Late Latin inefficacia, from inefficacem (nominative inefficax), from in- "not, opposite of" (see in- (1)) + efficax (see efficacy).
inefficient (adj.)youdaoicibaDictYouDict
1750, "not producing the desired effect," from in- (1) "not, opposite of" + efficient. Related: Inefficiency (1749); inefficiently.
inelastic (adj.)youdaoicibaDictYouDict
1748, from in- (1) "not, opposite of" + elastic. Figurative use attested by 1867.
inelegant (adj.)youdaoicibaDictYouDict
c. 1500, from French inélégant (15c.), from Latin inelegantem (nominative inelegans) "not choice, without taste, without judgment," from in- "not" (see in- (1)) + elegans (see elegant). Related: Inelegantly; inelegance.
ineligible (adj.)youdaoicibaDictYouDict
1770, from in- (1) "not, opposite of" + eligible.
ineluctable (adj.)youdaoicibaDictYouDict
"not to be escaped by struggling," 1620s, from Latin ineluctabilis "unavoidable, inevitable," from in- "not, opposite of" (see in- (1)) + eluctari "to struggle out of," from ex- "out" (see ex-) + luctari "to struggle" (see reluctance).
inept (adj.)youdaoicibaDictYouDict
c. 1600, from Old French inepte (14c.) or directly from Latin ineptus "unsuitable, improper, absurd, awkward, silly, tactless," from in- "not, opposite of" (see in- (1)) + aptus "apt" (see apt). Related: Ineptly; ineptness.