英语词源字典 - 在线词源网站

insomnia (n.)[insomnia 词源字典]: 1620s, insomnie, from Latin insomnia "want of sleep," from insomnis "sleepless," from in- "not" (see in- (1)) + somnus "sleep" (see Somnus). The modern form is from 1758.[insomnia etymology, insomnia origin, 英语词源]
insomniac: 1877 (adj.); 1879 (n.), from insomnia.
omni-: word-forming element meaning "all," from Latin omni-, combining form of omnis "all, every, the whole, of every kind," of unknown origin, perhaps literally "abundant," from *op-ni-, from PIE root *op- (1) "to work, produce in abundance" (see opus).
omnibus (n.): 1829, "four-wheeled public vehicle with seats for passengers," from French (voiture) omnibus "(carriage) for all, common (conveyance)," from Latin omnibus "for all," dative plural of omnis "all" (see omni-). Introduced by Jacques Lafitte in Paris in 1819 or '20, in London from 1829. In reference to legislation, the word is recorded from 1842. Meaning "man or boy who assists a waiter at a restaurant" is attested from 1888 (compare busboy). As an adjective in English from 1842.
omnidirectional (adj.): 1927, from omni- + directional (see direction).
omnifarious (adj.): 1650s, from Late Latin omnifarius "of all sorts," from Latin omnifariam "on all places or parts," from omnis "all" (see omni-) + -fariam "parts" (compare multifarious). Related: Omnifariously; omnifariousness.
omnipotence (n.): mid-15c., omnipotens, from Middle French omnipotence, from Late Latin omnipotentia "almighty power," from Latin omnipotentem "omnipotent" (see omnipotent). Related: Omnipotency (late 15c.).
omnipotent (adj.): early 14c., from Old French omnipotent "almighty, all-powerful" (11c.) or directly from Latin omnipotentem (nominative omnipotens) "all-powerful, almighty," from omnis "all" (see omni-) + potens (genitive potentis) "powerful" (see potent). Strictly only of God or a deity; general sense of "having absolute power or authority" is attested from 1590s.
omnipresence (n.): c. 1600, from Medieval Latin omnipraesentia, from omnipraesens, from Latin omnis "all, every" (see omni-) + praesens "present" (see present (adj.)).
omnipresent (adj.): c. 1600, from Medieval Latin omnipraesentem (nominative omnipraesens); see omnipresence. Related: Omnipresently.
omniscience (n.): 1610s, from Medieval Latin omniscientia "all-knowledge," from Latin omnis "all" (see omni-) + scientia "knowledge" (see science).
omniscient (adj.): c. 1600, from Modern Latin omniscientem (nominative omnisciens), back-formation from Medieval Latin omniscientia (see omniscience). Related: Omnisciently.
omnisexual (adj.): by 1959, from omni- + sexual. Earliest application is to Walt Whitman.
omnium gatherum: 1520s, "miscellaneous collection," humorous coinage from Latin omnium "of all" (genitive plural of omnis; see omni-) + Latinized form of English gather.
omnivore (n.): 1890, formed from omni- on model of carnivore (see omnivorous).
omnivorous (adj.): 1650s, from Latin omnivorus "all-devouring," from omnis "all" (see omni-) + vorare "devour, swallow" (see voracity). Related: Omnivorously; omnivorousness.
somni-: before vowels somn-, word-forming element meaning "sleep," from comb. form of Latin somnus (see Somnus).
somniferous (adj.): "sleep-producing," c. 1600, from Latin somnifer, from somni- "sleep" + ferre "to bear" (see infer). With -ous.
somniloquy (n.): talking in one's sleep, 1847, from somni-, "sleep" + -loquy, from Latin loqui "to speak" (see locution). Related: Somniloquence (1814); somniloquent (1804, Coleridge); somniloquist; somniloquous; somniloquize.
omniform: "Of all forms; having, taking, or displaying any or every form; of all shapes, appearances, or manifestations", Mid 17th cent.; earliest use found in Henry More (1614–1687), philosopher, poet, and theologian. From post-classical Latin omniformis from classical Latin omni- + -formis.
omnium: "A track cycling competition consisting of a number of contests of different types, both races and time trials", 1940s: Latin, literally 'of all'.
somnific: "Tending to induce sleep; soporific", Early 18th century: from Latin somnificus, from somnus 'sleep'.