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antacid [antacid 词源字典]: 1732, adjective and noun, medical hybrid from anti- + acid.[antacid etymology, antacid origin, 英语词源]
Antaeus: Libyan giant slain by Herakles, from Greek Antaios, literally "opposite, opposed to, hostile," from anta "over against, face to face," related to anti "opposite, against" (see ante).
antagonise (v.): chiefly British English spelling of antagonize; see -ize. Related: Antagonised; antagonising.
antagonism (n.): 1797, from French antagonisme or directly from late Greek antagonisma, noun of action from antagonizesthai "to struggle against" (see antagonist).
antagonist (n.): 1590s, from French antagoniste (16c.) or directly from Late Latin antagonista, from Greek antagonistes "competitor, opponent, rival," agent noun from antagonizesthai "to struggle against, oppose, be a rival," from anti- "against" (see anti-) + agonizesthai "to contend for a prize," from agon "contest" (see agony). Originally in battle or sport, extended 1620s to any sphere of human activity.
antagonistic (adj.): 1630s, from antagonist + -ic. Related: Antagonistical (1620s); antagonistically.
antagonize (v.): 1630s, "to compete with," from Greek antagonizesthai "to struggle against, oppose, be a rival" (see antagonist). Meaning "to struggle against continuously" is recorded from 1742. Related: Antagonized; antagonizing.
antalgic (adj.): 1775, from Greek ant-, form of anti- used before vowels (see anti-), + algos "pain" (see -algia). As a noun, recorded from 1753.
antaphrodisiac: 1742 (adj.), 1753 (n.), "used against venereal disease;" see anti- + aphrodisiac.
antarchism (n.): "opposition to all social government or control of individuals by law," 1845, from antarchy + -ism. Related: Antarchist.
antarchy (n.): "opposition to government," 1650s, from anti- + Greek -arkhia (see -archy). Related: Antarchic.
antarctic (adj.): late 14c., antartyk "opposite to the north pole" (adj.), also (with capital A) "region around the South pole" (n.), from Old French antartique, from Medieval Latin antarcticus, from Greek antarktikos "opposite the north," from anti- "opposite" (see anti-) + arktikos "arctic" (see arctic). The first -c- sound ceased to be pronounced in Medieval Latin and was dropped in Old French. Modern English spelling, which restores it, dates from 17c.
Antarctica: continent name attributed to Scottish cartographer John George Bartholomew (1860-1920), who used it on a map published 1887. From antarctic (q.v.). Hypothetical southern continents had been imagined since antiquity; first sighting of Antarctica by Europeans probably was 1820 (Lazarev and Bellingshausen). Also compare Antipodes.
Antares: bright star in Scorpio, from Greek Antares, from anti Ares "rival of Mars," in reference to its red color, which resembles that of Mars. See anti- + Ares.
ante: 1838 (n.), 1846 (v.), American English poker slang, apparently from Latin ante "before," from PIE *anti- "facing opposite, against," with derivatives meaning "in front of, before; end" (cognates: Sanskrit antah "end, border, boundary," Hittite hanti "opposite," Greek anta, anten "opposite," anti "over against, opposite, before;" Old Lithuanian anta "on to;" Gothic anda "along;" Old English and- "against;" German ent- "along, against"), from root *ant- "front, forehead."
ante meridiem: 1560s, Latin, literally "before noon," from ante (see ante) + accusative of meridies "midday, noon" (see meridian).
ante-: word-forming element meaning "before, in front of; previous, existing beforehand; introductory to," from Latin ante (prep. and adv.) "before, in front of, opposite," used in combinations, from PIE *anti "facing opposite, near, in front of, before" (see ante).
anteater (n.): also ant-eater, 1764, in reference to the South American species; 1868 of the Australian echidna; from ant + agent noun from eat (v.).
antebellum (adj.): also ante-bellum, from Latin phrase ante bellum, literally "before the war;" see ante- + bellicose. In U.S., usually in reference to the American Civil War (1861-65); first attested in a June 14, 1862, entry in Mary Chesnut's diary.
antecede (v.): early 15c., from Latin antecedere "to go before" (see antecedent). Related: Anteceded; anteceding.