英语词源字典 - 在线词源网站

intramuscular (adj.)[intramuscular 词源字典]: 1874, from intra- + muscular.[intramuscular etymology, intramuscular origin, 英语词源]
intransigence (n.): 1882, from French intransigeant, from intransigeant (see intransigent). Related: Intransigency.
intransigent (adj.): 1881, from French intransigeant, from Spanish los intransigentes, literally "those not coming to agreement," name for extreme republican party in the Spanish Cortes 1873-4, from in- "not" (see in- (1)) + transigente "compromising," from Latin transigentem (nominative transigens), present participle of transigere "come to an agreement, accomplish, to carry through" (see transaction). Acquired its generalized sense in French.
intransitive (adj.): 1610s, from Late Latin intransitivus "not passing over" (to another person), Priscian's term, from Latin in- "not" (see in- (1)) + transitivus "that may pass over," from transire "to pass over" (see transitive).
intraocular (adj.): 1826, from intra- + ocular.
intraperitoneal (adj.): 1835, from intra- + peritoneal.
intrapersonal (adj.): also intra-personal, 1853, from intra- + personal.
intrapsychic (adj.): 1917, from intra- + psychic.
intravenous (adj.): 1847, coined in English from intra- "within, inside" + Latin venous, from vena "vein" (see vein). Related: Intravenously.
intrepid (adj.): 1620s (implied in intrepidness), from French intrépide (16c.) and directly from Latin intrepidus "unshaken, undaunted," from in- "not" (see in- (1)) + trepidus "alarmed" (see trepidation). Related: Intrepidly.
intrepidity (n.): 1704, from intrepid + -ity.
intricacy (n.): c. 1600, from intricate + -acy.
intricate (adj.): early 15c., from Latin intricatus "entangled," past participle of intricare "to entangle, perplex, embarrass," from in- "in" (see in- (2)) + tricae (plural) "perplexities, hindrances, toys, tricks," of uncertain origin (compare extricate). Related: Intricately.
intrigante (n.): "women given to intrigue," 1806, from fem. of French intrigant, from Italian intrigante, present participle of intrigare (see intrigue).
intrigue (v.): 1610s, "to trick, deceive, cheat" (earlier entriken, late 14c.), from French intriguer (16c.), from Italian intrigare "to plot, meddle," from Latin intricare "entangle" (see intricate). Meaning "to plot or scheme" first recorded 1714; that of "to excite curiosity" is from 1894. Related: Intrigued; intriguing (1680s, "plotting, scheming;" meaning "exciting curiosity" is from 1909).
intrigue (n.): 1640s, probably from intrigue (v.).
intrinsic (adj.): late 15c., "interior, inward, internal," from Middle French intrinsèque "inner" (13c.), from Medieval Latin intrinsecus "interior, internal," from Latin intrinsecus (adv.) "inwardly, on the inside," from intra "within" (see intra-) + secus "alongside," originally "following" (related to sequi "to follow;" see sequel). Meaning "belonging to the nature of a thing" is from 1640s. Related: Intrinsicly.
intro (n.): short for introduction, attested from 1923.
intro-: word-forming element, from Latin intro "on the inside, within, to the inside," from PIE *en-t(e)ro-, suffixed form of preposition *en "in" (see in).
introduce (v.): early 15c., back-formation from introduction, or else from Latin introducere "to lead in, bring in" (see introduction). Related: Introduced; introducing.