英语词源字典 - 在线词源网站

immorality (n.)[immorality 词源字典]: 1560s, from assimilated form of in- (1) "not, opposite of" + morality.[immorality etymology, immorality origin, 英语词源]
immortal (adj.): "deathless," late 14c., from Latin immortalis "deathless, undying," from assimilated form of in- "not, opposite of" (see in- (1)) + mortalis "mortal" (see mortal (adj.)). In reference to fame, literature, etc., attested from 1510s (a sense also found in classical Latin). As a noun, from mid-17c.
immortality (n.): mid-14c., "deathlessness," from Old French immortalité (13c.) and directly from Latin immortalitatem (nominative immortalitas) "deathlessness, endless life," from immortalis (see immortal). Sense of "everlasting fame" is from 1530s.
immortalization (n.): c. 1600, noun of action or state from immortalize.
immortalize (v.): 1560s, from immortal + -ize. Perhaps modeled on Middle French immortaliser. Related: Immortalized; immortalizing.
immortelle (n.): "flower which preserves its shape and color after being dried," 1832, from French fem. of immortel "undying" (see immortal).
immovability (n.): late 14c.; see immovable + -ity.
immovable (adj.): late 14c., literal and figurative, from assimilated form of in- (1) "not, opposite of" + movable. Related: Immovably.
immune (adj.): mid-15c., "free; exempt," back-formation from immunity. Latin immunis meant "exempt from public service, free from taxes." Specific modern medical sense of "exempt from a disease" (typically because of inoculation) is from 1881. Immune system attested by 1917.
immunity (n.): late 14c., "exempt from service or obligation," from Old French immunité and directly from Latin immunitatem (nominative immunitas) "exemption from performing public service or charge," from immunis "exempt, free," from assimilated form of in- "not, opposite of" (see in- (1)) + munis "performing services" (compare municipal), from PIE *moi-n-es-, suffixed form of root *mei- (1) "to change" (see mutable). Medical sense "protection from disease" is 1879, from French or German.
immunization (n.): 1893, from immunize + -ation.
immunize (v.): 1889, from immune + -ize. Related: Immunized; immunizing.
immunodeficiency (n.): 1969, from comb. form of immune + deficiency.
immunology (n.): by 1906, a hybrid from comb. form of immune + -ology. Related: Immunological; immunologist.
immure (v.): 1580s, from Middle French emmurer and directly from Medieval Latin immurare, literally "to shut up within walls," from assimilated form of in- "into, in" (see in- (2)) + Latin murus "wall" (see mural). Related: Immured; immuring.
immutability (n.): 1590s, from Latin immutabilitas, from immutabilis (see immutable).
Nought may endure but Mutability. [Shelley]
immutable (adj.): early 15c., from Old French immutable and directly from Latin immutabilis "unchangeable," from assimilated form of in- "not, opposite of" (see in- (1)) + mutabilis "changeable," from mutare "to change" (see mutable). Related: Immutably.
imp (n.): Old English impe, impa "young shoot, graft," from impian "to graft," probably an early West Germanic borrowing from Vulgar Latin *imptus, from Late Latin impotus "implanted," from Greek emphytos, verbal adjective formed from emphyein "implant," from em- "in" + phyein "to plant" (see physic).

Sense of "child, offspring" (late 14c.) came from transfer of word from plants to people, with notion of "newness" preserved. Modern meaning "little devil" (1580s) is from common use in pejorative phrases like imp of Satan.
Suche appereth as aungelles, but in very dede they be ymps of serpentes. ["The Pilgrimage of Perfection," 1526]
impact (v.): c. 1600, "press closely into something," from Latin impactus, past participle of impingere "to push into, dash against, thrust at" (see impinge). Originally sense preserved in impacted teeth (1876). Sense of "strike forcefully against something" first recorded 1916. Figurative sense of "have a forceful effect on" is from 1935. Related: Impacting.
impact (n.): 1781, "collision," from impact (v.). Figurative sense of "forceful impression" is from 1817 (Coleridge).