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annul (v.)[annul 词源字典]: late 14c., from Old French anuller (13c.) or directly from Late Latin annullare "to make to nothing," from Latin ad- "to" (see ad-) + nullum, neuter of nullus "nothing" (see null). Related: Annulled; annulling.[annul etymology, annul origin, 英语词源]
annular (adj.): "ring-shaped," 1570s, from French annulaire (16c.) or directly from Latin annularis "pertaining to a ring," from annulus, diminutive of anus "ring" (see anus). An annular eclipse (1727) is one in which the dark body of the moon is smaller than the disk of the sun, so that at the height of it the sun appears as a ring of light. Related: Annularity.
annulment (n.): late 15c., "act of reducing to nothing;" see annul + -ment. Meaning "act of declaring invalid" is recorded from 1864.
annulus (n.): 1560s, medical, from misspelling of Latin anulus "little ring, finger ring," a diminutive of anus (see anus).
annunciate (v.): 1530s, from past participle adjective annunciate (late 14c.) or directly from Latin annunciatus, misspelling of annuntiatus, past participle of annuntiare (see announce). In some cases perhaps a back-formation from annunciation. Related: Annunciated; annunciating.
annunciation (n.): early 14c., "Lady Day," from Anglo-French anunciacioun, Old French anonciacion, from Latin annuntiationem (nominative annuntiatio), noun of action from past participle stem of annuntiare (see announce). The Church festival (March 25) commemorating the visit of the angel Gabriel to the Virgin Mary, foretelling the incarnation. General sense of "an announcing" is from 1560s. Old English for "Annunciation Day" was bodungdæg.
annus mirabilis (n.): 1667, Latin, literally "wonderful year, year of wonders," title of a publication by Dryden, with reference to 1666, which was a year of calamities in London (plague, fire, war).
anode (n.): 1834, coined from Greek anodos "way up," from ana "up" (see ana-) + hodos "way" (see cede). Proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English chemist and physicist Michael Faraday (1791-1867). So called from the path the electrical current was thought to take. Related: Anodic.
anodize (v.): 1931, from anode + -ize. Related: Anodized; anodizing.
anodyne (adj.): 1540s, from Medieval Latin anodynus "pain-removing, allaying pain," from Latin anodynus "painless," from Greek anodynos "free from pain," from an- "without" (see an- (1)) + odyne "pain," a word perhaps from PIE root *ed- "to eat" (source of Lithuanian edžioti "to devour, bite," edžiotis "to suffer pain;" see eat). In old slang, frequently a euphemism for "death;" as in anodyne necklace "hangman's noose."
anoint (v.): c. 1300 (implied in anointing), from Old French enoint "smeared on," past participle of enoindre "smear on," from Latin inunguere "to anoint," from in- "on" + unguere "to smear" (see unguent). Originally in reference to grease or oil smeared on for medicinal purposes; its use in the Coverdale Bible in reference to Christ (as in The Lord's Anointed; see chrism) has spiritualized the word. Related: Anointed; anointing.
anointed (adj.): late 14c., "smeared with oil," past participle adjective from anoint (v.). Noun meaning "a consecrated one" (as in Lord's Anointed) is recorded from 1520s.
anole (n.): or anoli, 1906, from a native name in the Antilles.
anomalo-: word-forming element meaning "deviating from the usual, abnormal," from comb. form of Greek anomalos "uneven, irregular" (see anomaly).
anomalous (adj.): 1640s, from Late Latin anomalus, from Greek anomalos "uneven, irregular" (see anomaly). Related: Anomalously; anomalousness.
anomaly (n.): 1570s, from Latin anomalia, from Greek anomalia "inequality," noun of quality from anomalos "uneven, irregular," from an-, privative prefix, "not" (see an- (1)) + homalos "even," from homos "same" (see same).
anomic (adj.): 1950, from French anomique (Durkheim, 1897); see anomie.
anomie (n.): "absence of accepted social values," 1933, from Durkheim's "Suicide" (1897); a reborrowing with French spelling of anomy.
anomy (n.): "lawlessness," 1590s, anglicized from French anomie; from Greek anomia "lawlessness," noun of quality from anomos "without law, lawless," from a-, privative prefix, "without" (see an- (1)) + nomos "law" (see numismatics).
anon (adv.): late Old English anon, earlier on an, literally "into one," thus "continuously; straightway (in one course), at once;" see one. By gradual misuse, "soon, in a little while" (1520s). A one-word etymological lesson in the enduring power of procrastination.