英语词源字典 - 在线词源网站

invariable (adj.)[invariable 词源字典]: early 15c., from Old French invariable (14c.) and directly from Medieval Latin invariabilis, from in- "not, opposite of" (see in- (1)) + variabilis (see variable). Related: Invariably.[invariable etymology, invariable origin, 英语词源]
invariant (adj.): 1851, from in- (1) "not" + variant.
invasion (n.): mid-15c., from Old French invasion "invasion, attack, assaut" (12c.), from Late Latin invasionem (nominative invasio) "an attack, invasion," noun of action from past participle stem of Latin invadere "go into, fall upon, attack, invade," from in- "in" (see in- (2)) + vadere "go, walk" (see vamoose).
invasive (adj.): mid-15c., from Middle French invasif (15c.), from Medieval Latin invasivus, from invas-, past participle stem of invadere (see invasion).
invective (n.): 1520s, from Medieval Latin invectiva "abusive speech," from Late Latin invectivus "abusive," from Latin invectus, past participle of invehi "to attack with words" (see inveigh). For nuances of usage, see humor. The earlier noun form was inveccion (mid-15c.).
inveigh (v.): late 15c., "to introduce," from Latin invehi "to attack with words," originally "carry oneself against," passive infinitive of invehere "bring in, carry in," from in- "against" (see in- (1)) + vehere "to carry" (see vehicle). Meaning "to give vent to violent denunciation" is from 1520s. Related: Inveighed; inveighing.
inveigle (v.): late 15c., "to blind (someone's) judgment," alteration of Middle French aveugler "delude, make blind," from Vulgar Latin *aboculus "without sight, blind," from Latin ab- "without" (see ab-) + oculus "eye" (see eye (n.)). Loan-translation of Greek ap ommaton "without eyes." Meaning "to win over by deceit, seduce" is 1530s.
invent (v.): late 15c., "find, discover," a back-formation from invention or else from Latin inventus, past participle of invenire âto come upon; devise, discoverâ (see invention). Meaning "make up, think up" is from 1530s, as is that of "produce by original thought." Related: Invented; inventing.
invention (n.): c. 1400, "devised method of organization," from Old French invencion (13c.) and directly from Latin inventionem (nominative inventio) "faculty of invention; a finding, discovery," noun of action from past participle stem of invenire "devise, discover, find," from in- "in, on" (see in- (2)) + venire "to come" (see venue).

Meaning "finding or discovering of something" is early 15c. in English; sense of "thing invented" is first recorded 1510s. Etymological sense preserved in Invention of the Cross, Church festival (May 3) celebrating the reputed finding of the Cross of the Crucifixion by Helena, mother of Constantine, in 326 C.E.
inventive (adj.): early 15c., "skilled in invention," from Old French inventif (15c.), from Latin invent-, past participle stem of invenire (see invention). Related: Inventively; inventiveness.
inventor (n.): c. 1500, "a discoverer," from Latin inventor (fem. inventrix) "contriver, author, discoverer," agent noun from past participle stem of invenire (see invention). Meaning "one who contrives or produces a new thing or process" is from 1550s.
inventory (n.): early 15c., from Old French inventoire "inventory, detailed list of goods, catalogue," from Medieval Latin inventorium (Late Latin inventarium) "list of what is found," from Latin inventus, past participle of invenire "to find" (see invention). The verb is first recorded c. 1600, from the noun.
inverse (adj.): mid-15c., from Latin inversus, past participle of invertere (see invert). Related: Inversely. As a noun, 1680s, from the adjective.
inversion (n.): 1550s, from Latin inversionem (nominative inversio) "an inversion," noun of action from past participle stem of invertere (see invert).
invert (v.): 1530s, from Middle French invertir or directly from Latin invertere "turn upside down, turn about," from in- "in, on" (see in- (2)) + vertere "to turn" (see versus). Related: Inverted; inverting; invertedly.
invertebrate (n.): 1826, from Latin in- "not" (see in- (1)) + vertebra "joint" (see vertebra). Invertebrata as a biological classification was coined 1805 by French naturalist Georges Léopole Chrétien Frédéric Dagobert, Baron Cuvier (1769-1832). As an adjective by 1838.
invest (v.): late 14c., "to clothe in the official robes of an office," from Latin investire "to clothe in, cover, surround," from in "in, into" (see in- (2)) + vestire "to dress, clothe" (see wear (v.)). The meaning "use money to produce profit" first attested 1610s in connection with the East Indies trade, and is probably a borrowing of Italian investire (13c.) from the same Latin root, via the notion of giving one's capital a new form. The military meaning "to besiege" is from c. 1600. Related: Invested; investing.
investigable (adj.): c. 1400, from Late Latin investigabilis "that may be searched into," from investigare (see investigation).
investigate (v.): c. 1500, back-formation from investigation, or else from Latin investigatus, past participle of investigare "to trace out, search after" (see investigation). Related: Investigated; investigating.
investigation (n.): early 15c., from Old French investigacion (14c.), from Latin investigationem (nominative investigatio) "a searching into, a searching for," noun of action from past participle stem of investigare "to trace out, search after," from in- "in, into" (see in- (2)) + vestigare "to track, trace," from vestigium "footprint, track" (see vestige).