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moratorium [moratorium 词源字典]: moratorium: see demur
[moratorium etymology, moratorium origin, 英语词源]
orator: orator: [14] Orator is one of a small family of English words that go back to the Latin verb ōrāre ‘speak’. Others include oracle [14], oration [14] (whence, by back-formation, orate [16]), and oratory ‘public speaking’ [16]. And besides these, there is a special subset of words that depend on a later, extended sense of ōrāre, ‘pray’: adore [15] (etymologically ‘pray to’), inexorable, oratory ‘small chapel’ [14] (whose Italian form has given English oratorio [18]), and the now archaic orison ‘prayer’ [12] (etymologically the same word as oration).
=> adore, inexorable, oracle, orison
accelerator (n.): 1610s, from Latin accelerator, agent noun from accelerare (see accelerate). Motor vehicle sense is from 1900.
administrator (n.): mid-15c., from Middle French administrateur or directly from Latin administrator "a manager, conductor," agent noun from past participle stem of administrare (see administer). Estate sense is earliest. For ending, see -er.
arbitrator (n.): early 15c., from Old French arbitratour (13c.), from Latin arbitrator "a spectator, hearer, witness, judge," agent noun from past participle stem of arbitrari, from arbiter (see arbiter). The legal form of popular arbiter; in modern usage, an arbiter makes decisions of his own accord and is accountable to no one but himself; an arbitrator (early 15c.) decides issues referred to him by the parties.
castrato (n.): 1763, from Italian castrato, from Latin castratus (see castration).
celebratory (adj.): 1855, from celebrate + -ory.
cerato-: word-forming element meaning "horn," from Latinized comb. form of Greek keras "horn" (see kerato-).
ceratosaurus (n.): 1884, from cerato- + -saurus.
collaborator (n.): 1802, from French collaborateur, from Latin collaboratus, past participle of collaborare "work with," from com- "with" (see com-) + labore "to work" (see labor (v.)).
comparator (n.): 1883, agent noun in Latin form from compare.
conspirator (n.): c. 1400, conspyratour, from Old French conspirateur, from Latin conspiratorem (nominative conspiratorio), noun of action from conspirat-, past participle stem of conspirare (see conspire). Fem. form conspiratress is from mid-18c. Related: Conspiratorial; conspiratorially; conspiratory.
curator (n.): mid-14c., from Latin curator "overseer, manager, guardian," agent noun from curatus, past participle of curare (see cure (v.)). Originally of those put in charge of minors, lunatics, etc.; meaning "officer in charge of a museum, library, etc." is from 1660s.
declaratory (adj.): mid-15c., from Medieval Latin declaratorius, from Latin declarator, from declarare (see declare).
decorator (n.): 1755, agent noun in Latin form from decorate.
demonstrator (n.): 1610s, "one who points out," agent noun in Latin form from demonstrate. From 1680s as "one who uses exhibits as a method of teaching;" 1870 as "one who participates in public demonstrations."
Erato: muse who presided over lyric poetry, literally "the Lovely," from Greek erastos "loved, beloved; lovely, charming," verbal adjective of eran "to love, to be in love with" (see Eros).
exploratory (adj.): mid-15c., from Latin exploratorius "belonging to scouts," from explorator "scout," from explorare "investigate, examine" (see explore). Alternative explorative is from 1738; explorational is from 1889.
generator (n.): 1640s, "person who begets, causes, or produces," from Latin generator "a begetter, producer," agent noun from past participle stem of generare "to bring forth" (see generation). Meaning "machine that generates power" first recorded 1794; sense of "machine that generates electric energy" is from 1879. Fem. generatrix attested from 1650s.
geratology (n.): "study of decadence" in a species, etc., 1876, from Greek geras (genitive geratos) "old age" (see geriatric) + -logy. Related: Geratologic.
I have adopted this new term with considerable hesitation and doubt, and have only done so under the pressure of necessity. In no other way can I better convey my conviction that there is a traceable correspondence between all manifestations of decline in the individual and in the group to which the individual belongs, which may, like embryology, be used inductively in reasoning upon the probable affinities of animals. [A. Hyatt, paper on "Genetic Relations of Stephanoceras," read June 7, 1876, published in "Proceedings of the Boston Society of Natural History," vol. XVIII, 1877]
illustrator (n.): 1590s, "one who enlightens," from illustrate + Latinate agent-noun suffix -or. Meaning "one who draws pictures" is 1680s.
imperator (n.): "commander-in-chief," Latin agent noun from stem of imperare "to command" (see imperative). In the Roman republic, a commander; in the Roman Empire, the emperor.
inamorato (n.): 1892, masc. of inamorata (q.v.).
incinerator (n.): 1883, American English, originally in the terminology of cremation, from incinerate + Latinate agent noun suffix -or. Meaning "device for waste disposal by burning" is from 1889.
kerato-: before vowels, kerat-, word-forming element meaning "horn, horny," from Greek keras (genitive keratos) "horn," from PIE *ker- (1) "horn, head" (see horn (n.)).
laboratory (n.): c. 1600, "building set apart for scientific experiments," from Medieval Latin laboratorium "a place for labor or work," from Latin laboratus, past participle of laborare "to work" (see labor (n.)). Figurative use by 1660s.
liberator (n.): 1640s, from Latin liberator "one who sets free, a deliverer," agent noun from past participle stem of liberare (see liberate).
migratory (adj.): 1753, from Latin migrat-, past participle stem of migrare "to movefrom one place to another" (see migration) + -ory.
moderator (n.): late 14c., "ruler, governor," from Latin moderator "manager, ruler, director," literally "he who moderates," from moderatus (see moderate (adj.)). Meaning "one who acts as an umpire" is from 1560s. Fem. form moderatrix attested from 1530s.
moratoria (n.): Latin plural of moratorium.
moratorium (n.): 1875, originally a legal term for "authorization to a debtor to postpone payment," from neuter of Late Latin moratorius "tending to delay," from Latin morari "to delay," from mora "pause, delay," from PIE *mere- "to hinder, delay." The word didn't come out of italics until 1914. General sense of "a postponement, deliberate temporary suspension" is first recorded 1932. Related: Moratorial.
narrator (n.): 1610s, from Latin narrator "a relater, narrator, historian," agent noun from narrat-, stem of narrare "to tell, relate" (see narration). In sense of "a commentator in a radio program" it is from 1941.
numerator (n.): 1540s, from Late Latin numerator "counter, numberer," agent noun from numerat-, past participle stem of numerare "to count, number," from numerus "a number" (see number (n.)).
operator (n.): 1590s, "one who performs mechanical or surgical operations," agent noun from operate (v.) or from Late Latin operator. Meaning "one who carries on business shrewdly" is from 1828. Specific sense of "one who works a telephone switchboard" (1884) grew out of earlier meaning "one who works a telegraph" (1847).
orator (n.): late 14c., "one who pleads or argues for a cause," from Anglo-French oratour (Modern French orateur), from Latin orator "speaker," from orare "to speak, speak before a court or assembly, pray, plead," from PIE root *or- "to pronounce a ritual formula" (cognates: Sanskrit aryanti "they praise," Homeric Greek are, Attic ara "prayer," Hittite ariya- "to ask the oracle," aruwai- "to revere, worship"). Meaning "public speaker" is attested from early 15c.
oratorical (adj.): 1580s, from orator or oratory + -ical, or else from Latin oratorius (see oratory (n.1)). Related: Oratorical; oratorically.
oratorio (n.): "long musical composition, usually with a text based on Scripture," 1727 (in English from 1640s in native form oratory), from Italian oratorio (late 16c.), from Church Latin oratorium (see oratory (n.2)), in reference to musical services in the church of the Oratory of St. Philip Neri in Rome, where old mystery plays were adapted to religious services.
oratory (n.1): "formal public speaking, the art of eloquence," 1580s, from Latin (ars) oratoria "oratorical (art)," fem. of oratorius "of speaking or pleading, pertaining to an orator," from orare "to speak, pray, plead" (see orator).
oratory (n.2): "small chapel," c. 1300, from Old French oratorie and directly from Late Latin oratorium "place of prayer" (especially the Oratory of St. Philip Neri in Rome, where musical services were presented), noun use of an adjective, as in oratorium templum, from neuter of Latin oratorius "of or for praying," from orare "to pray, plead, speak" (see orator).
perpetrator (n.): literally "the one who did it" (in English usually an evil act), 1560s, from Late Latin perpetrator, agent noun of perpetrare "to perform, to accomplish" (see perpetrate). Fem. forms are perpetratress (1811, of Nero's poisoner Locusta); perpetratrix (1862, in reference to Charlotte Corday).
preparatory (adj.): early 15c., from Late Latin praeparatorius, from Latin praeparatus (see preparation). Earlier in same sense was preparative (late 14c.). Applied from 1822 to junior schools in which pupils are "prepared" for a higher school.
procurator (n.): (c. 1300) "steward or manager of a household;" also "a provider" (late 13c. as a surname), from Old French procuratour "attorney, agent, proxy, spokesman" (13c., Modern French procurateur) or directly from Latin procurator "manager, overseer, agent, deputy," agent noun from past participle stem of procurare (see procure). Related: Procuracy; procuration; procuratory.
refrigerator (n.): 1610s, "something that cools," agent noun from refrigerate. As "cabinet for keeping food cool," 1824, originally in the brewery trade, in place of earlier refrigeratory (c. 1600). The electric-powered household device was available from c. 1918.
respirator (n.): 1836, as an aid to breathing (originally a sort of gauze mask, agent noun from respire. As "machine to provide artificial respiration" from 1929.
respiratory (adj.): 1660s, from Modern Latin respiratorius or French respiratoire; see respiration + -ory.
Saratoga: in reference to a kind of large trunk, 1858, so called because it was much used by ladies traveling to the summer resort of Saratoga, N.Y. The name, early recorded as saraghtogo, apparently is from an Iroquoian language, but it is of unknown origin.
separator (n.): c. 1600, "separatist," agent noun from separate (v.). As a mechanical device for separating, from 1831.
Sheraton: severe style of late 18c. English furniture, 1883, from name of cabinetmaker Thomas Sheraton (1751-1806). The family name is from a place in Durham, late Old English Scurufatun (c.1040), probably "farmstead of a man called Skurfa" (an old Scandinavian personal name). The hotel chain dates from 1937 and has no obvious direct connection.
strato-: before vowels strat-, word-forming element referring to layers or layering, also stratus clouds, from comb. form of Latin stratus "a spreading" (see stratum).
strato-cumulus (adj.): 1898, from strato- + cumulus.