英语词源字典 - 在线词源网站

impersonal (adj.)[impersonal 词源字典]: mid-15c., a grammatical term, from Late Latin impersonalis, from assimilated form of in- "not, opposite of" (see in- (1)) + personalis "personal" (see personal). Sense of "not connected with any person" is from 1620s; that of "not endowed with personality" is from 1842. Related: impersonally.[impersonal etymology, impersonal origin, 英语词源]
impersonality (n.): 1769, from impersonal + -ity.
impersonate (v.): 1620s, "to invest with a personality," from assimilated form of Latin in- "into, in" (see in- (2)) + persona "person." Sense of "to assume the person or character of" is first recorded 1715. Earlier in same sense was personate (1610s). Related: Impersonated; impersonating.
impersonation (n.): 1800, "personification;" 1825 as "an acting of a part or character;" noun of action from impersonate (v.).
impersonator (n.): "one who assumes the person or character of another," 1853, from impersonate with Latinate agent noun suffix.
impertinence (n.): c. 1600, from French impertinence, from Medieval Latin impertinentia, from Late Latin impertinentem "not belonging" (see impertinent). Impertinency is from 1580s.
impertinent (adj.): late 14c., "unconnected, unrelated, not to the point," from Old French impertinent (14c.) or directly from Late Latin impertinentem (nominative impertinens) "not belonging," literally "not to the point," from assimilated form of Latin in- "not, opposite of" (see in- (1)) + pertinens (see pertinent). Sense of "rudely bold" is 1680s, from earlier sense of "not appropriate to the situation," probably modeled on similar use in French, especially by Molière, from notion of meddling with what is beyond one's proper sphere.
impertinently (adv.): mid-15c., from impertinent + -ly (2).
imperturbable (adj.): c. 1500, from Middle French imperturbable and directly from Late Latin imperturbabilis "that cannot be disturbed" (Augustine), from assimilated form of in- "not, opposite of" (see in- (1)) + *perturbabilis, from Latin perturbare "to confuse, disturb" (see perturb). Related: Imperturbably; imperturbability.
impervious (adj.): 1640s, from Latin impervius "that cannot be passed through," from assimilated form of in- "not, opposite of" (see in- (1)) + pervius "letting things through," from per "through" + via "road." Related: Imperviously; imperviousness.
impetigo (n.): pustular disease of the skin, late 14c., from Latin impetigo "skin eruption," from impetere "to attackÃ¢" (see impetus). Related: Impetiginous.
impetuosity (n.): early 15c., "violent movement, rushing," from Old French impetuosité (13c.), from Medieval Latin impetuositatem (nominative impetuositas), from Late Latin impetuosus (see impetuous).
impetuous (adj.): late 14c., "hot-tempered, fierce," from Old French impetuos (13c.) and directly from Late Latin impetuosus "impetuous, violent," from Latin impetus "attack" (see impetus). Related: Impetuously; impetuousness.
impetus (n.): early 15c., impetous "rapid movement, rush;" 1640s, with modern spelling, "force with which a body moves, driving force," from Latin impetus "attack, assault, onset, impulse, violence, vigor, force, passion," related to impetere "to attack," from assimilated form of in- "into, in, on, upon" (see in- (2)) + petere "aim for, rush at" (see petition (n.)).
impiety (n.): mid-14c., from Old French impieté (12c.), from Latin impietatem (nominative impietas) "irreverence, ungodliness; disloyalty, treason," noun of quality from impius (see impious).
impinge (v.): 1530s, "fasten or fix forcibly," from Latin impingere "drive into, strike against," from assimilated form of in- "into, in, on, upon" (see in- (2)) + pangere "to fix, fasten" (see pact). Sense of "encroach, infringe" first recorded 1738. Related: Impinged; impinging.
impingement (n.): 1670s; see impinge + -ment.
impious (adj.): 1590s, from Latin impius "without reverence, irreverent, wicked; undutiful, unpatriotic," from assimilated form of in- "not, opposite of" (see in- (1)) + pius (see pious). Related: Impiously; impiousness.
impish (adj.): 1650s, from imp + -ish. Related: Impishly; impishness.
implacability (n.): 1530s, from Late Latin implacabilitas, from Latin implacabilis (see implacable).