英语词源字典 - 在线词源网站

impactful (adj.)[impactful 词源字典]: 1968, from impact + -ful. Related: Impactfully; impactfulness.[impactful etymology, impactful origin, 英语词源]
impaction (n.): 1739, from Latin impactionem (nominative impactio) "a striking against," noun of action from past participle stem of impingere (see impinge).
impair (v.): late 14c., earlier ampayre, apeyre (c. 1300), from Old French empeirier (Modern French empirer), from Vulgar Latin *impeiorare "make worse," from assimilated form of in- "into, in" (see in- (2)) + Late Latin peiorare "make worse" (see pejorative). In reference to driving under the influence of alcohol, first recorded 1951 in Canadian English. Related: Impaired; impairing.
impairment (n.): mid-14c., emparement, from Old French empeirement, from empeirier (see impair). Re-Latinized spelling is from 1610s.
impala (n.): 1875, from Zulu im-pala "gazelle."
impale (v.): 1520s, "to enclose with stakes, fence in," from Middle French empaler and directly from Medieval Latin impalare "to push onto a stake," from assimilated form of in- "into, in" (see in- (2)) + Latin palus "a stake, prop, stay; wooden post, pole," from PIE *pak-slo-, from root *pag-/*pak- "to fasten" (see pact). Sense of "pierce with a pointed stake" (as torture or punishment) first recorded 1610s. Related: Impaled; impaling.
impalement (n.): 1590s, from French empalement, from empaler (see impale).
impalpable (adj.): c. 1500, from French impalpable, from Medieval Latin impalpabilis, from assimilated form of in- "not, opposite of" (see in- (1)) + palpabilis (see palpable). Figurative use from 1774. Related: Impalpably; impalpability.
impanate (adj.): "present in the (consecrated) bread," 1540s, from Church Latin impanatus, past participle of impanare "to embody in bread," from assmiliated form of in- "in, into" (see in- (2)) + panis "bread" (see food).
impart (v.): early 15c., "to give a part of (one's possessions); late 15c., "to share, take part," from Old French impartir (14c.), from Late Latin impartire (also impertire) "to share in, divide with another, communicate," from assimilated form of in- "into, in" (see in- (2)) + partire "to divide, part" (see part (v.)). Related: Imparted; imparting.
impartial (adj.): formed in English 1590s from assimilated form of in- (1) "not, opposite of" + partial. First recorded in "Richard II."
impartiality (n.): 1610s; see impartial + -ity.
impassable (adj.): "that cannot be passed," 1560s, from im- + passable.
impasse (n.): 1851, "blind alley," from French impasse "impassable road, blind alley, impasse," from assimilated form of in- "not, opposite of" (see in- (1)) + Middle French passe "a passing," from passer "to pass" (see pass (v.)). Supposedly coined by Voltaire as a euphemism for cul de sac. Figurative use also from 1851.
impassible (adj.): "incapable of feeling pain, exempt from suffering," mid-14c., from Old French impassible (13c.), from Church Latin impassibilis "incapable of passion," from assimilated form of in- "not, opposite of" (see in- (1)) + passibilis, from passio "suffering" (see passion). Related: Impassibility.
impassion (v.): 1590s, from Italian impassionare "to fill with passion," from im- "in, into" (see im-) + passione "passion," from Latin passionem (see passion). Related: Impassioned.
impassionate (adj.): "free from passion," 1620s, from in- (1) "not" + passionate. Related: Impassionately.
impassioned (adj.): c. 1600, past participle adjective from impassion.
impassive (adj.): 1660s, "not feeling pain," from assimilated form of in- "not, opposite of" (see in- (1)) + passive. Meaning "void of emotions" is from 1690s. Related: Impassively; impassiveness (1640s).
impassivity (n.): 1794, from impassive + -ity.