英语词源字典 - 在线词源网站

investigative (adj.)[investigative 词源字典]: 1803, from Latin investigat-, past participle stem of investigare (see investigation) + -ive. Journalism sense is from 1951.[investigative etymology, investigative origin, 英语词源]
investigator (n.): 1550s, a native agent-noun formation from investigate, or else from Latin investigator "he that searches into," agent noun from past participle stem of investigare (see investigation).
investiture (n.): late 14c., from Medieval Latin investitura, from past participle stem of Latin investire "to clothe" (see invest).
investment (n.): 1590s, "act of putting on vestments" (a sense now found in investiture); later "act of being invested with an office, right, endowment, etc." (1640s); and "surrounding and besieging of a military target" (1811); see invest + -ment. Commercial sense is from 1610s, originally of the finances of the East India Company; general use is from 1740 in the sense of "conversion of money to property in hopes of profit," and by 1837 in the sense "amount of money so invested; property viewed as a vehicle for profit." For evolution of commercial senses, see invest.
investor (n.): 1580s, "one who clothes;" 1862, "one who invests money," agent noun from invest.
inveteracy (n.): 1690s, from inveterate + -cy.
inveterate (adj.): late 14c., from Latin inveteratus "of long standing, chronic," past participle of inveterare "become old in," from in- "in, into" (see in- (2)) + veterare "to make old," from vetus (genitive veteris) "old" (see veteran).
inviable (adj.): 1918, from in- (1) "not" + viable. Related: Inviability.
invictus: Latin adjective, "unconquered, unsubdued, invincible."
invidious (adj.): c. 1600, from Latin invidiosus "full of envy, envious," from invidia "envy, grudge, jealousy, ill will" (see envy). Related: Invidiously; invidiousness.
invigilate (v.): 1550s, from Latin invigilatus, past participle of invigilare "watch over, be watchful, be devoted," from in- "in" (see in- (2)) + vigilare (see vigil). Especially in reference to student exams. Related: Invigilated; invigilating.
invigilator (n.): 1892, agent noun from invigilate.
invigorate (v.): 1640s, from in- (2) + vigor + -ate (2). Earlier verb was envigor (1610s). Related: Invigorated; invigorating.
invigorating (adj.): 1690s, adjective from present participle of invigorate. Related: Invigoratingly.
invigoration (n.): 1660s, noun of action from invigorate.
invincibility (n.): 1670s, from invincible + -ity.
invincible (adj.): early 15c., from Middle French invincible (14c.) or directly from Latin invincibilis "unconquerable," from in- "not" (see in- (1)) + vincibilis "conquerable," from vincere "to overcome" (see victor). Related: Invincibly. Noun meaning "one who is invincible" is from 1630s. Invincible ignorance is from Church Latin ignorantia invincibilis (Aquinas). Related: Invincibly.
inviolability (n.): 1793, from inviolable + -ity.
inviolable (adj.): mid-15c., from Latin inviolabilis "inviolable, invulnerable," from in- "not, opposite of" (see in- (1)) + violabilis, from violare "to do violence to" (see violation). Related: Inviolably.
inviolate (adj.): "unbroken, intact," early 15c., from Latin inviolatus âunhurt,â from in- "not, opposite of" (see in- (1)) + violatus (see violation).