英语词源字典 - 在线词源网站

average (adj.)[average 词源字典]: 1770; see average (n.).[average etymology, average origin, 英语词源]
average (v.): 1769, from average (n.). Related: Averaged; averaging.
Averroes: Latinization of name of Ibn Rushd (1126-1198) Arab philosopher and physician of Spain and Morocco.
averse (adj.): mid-15c., "turned away in mind or feeling," from Old French avers and directly from Latin aversus "turned away, turned back," past participle of avertere (see avert). Originally and usually in English in the mental sense, while avert is used in a physical sense.
aversion (n.): "a turning away from," 1590s; figurative sense of "mental attitude of repugnance" is from 1650s, from Middle French aversion and directly from Latin aversionem (nominative aversio), noun of action from past participle stem of aversus "turned away, backwards, behind, hostile," itself past participle of avertere (see avert). Earlier in the literal sense of "a turning away from" (1590s). Aversion therapy in psychology is from 1950.
avert (v.): c. 1400, from Old French avertir (12c.), "turn, direct; avert; make aware," from Vulgar Latin *advertire, from Latin avertere "to turn away, to drive away," from ab- "from, away" (see ab-) + vertere "to turn" (see versus). Related: Averted; averting.
Avestan: Eastern Iranian language that survived in sacred texts centuries after it went extinct, from Persian Avesta "sacred books of the Parsees," earlier Avistak, literally "books."
avian (adj.): "pertaining to birds," 1870, from Latin avis "bird" (see aviary) + -an.
aviary (n.): 1570s, from Latin aviarium "place in which birds are kept," neuter of aviarius "of birds," from avis "bird," from PIE *awi- "bird" (cognates: Sanskrit vih, Avestan vish "bird," Greek aietos "eagle").
aviation (n.): 1866, from French aviation, noun of action from stem of Latin avis "bird" (see aviary). Coined 1863 by French aviation pioneer Guillaume Joseph Gabriel de La Landelle (1812-1886) in "Aviation ou Navigation aérienne."
aviator (n.): "aircraft pilot," 1887, from French aviateur, from Latin avis (see aviary) + -ateur. Also used c. 1891 in a sense of "aircraft." Feminine form aviatrix is from 1927; earlier aviatrice (1910), aviatress (1911).
Avicenna: Latinization of name of Ibn Sina (980-1037), Persian philosopher and physician. Full name Abū âAlī al-Husayn ibn âAbd Allāh ibn Sīnā al-Balkhī.
aviculture (n.): 1876, from French aviculture, from Latin avis "bird" (see aviary) + Latin cultura "cultivation" (see culture).
avid (adj.): 1769, from French avide (15c.), from Latin avidus "longing eagerly, desirous, greedy," from avere "to desire eagerly." Also in part a back-formation from avidity. Related: Avidly.
avidity (n.): mid-15c., "eagerness, zeal," from Old French avidite "avidity, greed," from Latin aviditatem (nominative aviditas) "eagerness, avidity," noun of quality from avidus (see avid).
avionics (n.): 1949, from aviation + electronics.
Avis: U.S. car rental company, according to company history, founded 1946 at Willow Run Airport in Detroit by Warren Avis.
avocado (n.): 1763, from Spanish avocado, altered (by folk etymology influence of earlier Spanish avocado "lawyer," from same Latin source as advocate (n.)) from earlier aguacate, from Nahuatl (Aztecan) ahuakatl "avocado" (with a secondary meaning "testicle" probably based on resemblance), from proto-Nahuan *pawa "avocado." As a color-name, first attested 1945. The English corruption alligator (pear) is 1763, from Mexican Spanish alvacata, alligato.
avocation (n.): 1520s, "a calling away from one's occupation," from Latin avocationem (nominative avocatio) "a calling away, distraction, diversion," noun of action from past participle stem of avocare, from ab- "off, away from" (see ab-) + vocare "to call" (see voice (n.)).
avoid (v.): c. 1300, from Anglo-French avoider "to clear out, withdraw (oneself)," partially anglicized from Old French esvuidier "to empty out," from es- "out" (see ex-) + vuidier "to be empty," from voide "empty, vast, wide, hollow, waste" (see void (adj.)). Originally a law term; modern sense of "have nothing to do with" also was in Middle English and corresponds to Old French eviter with which it was perhaps confused. Meaning "escape, evade" first attested 1520s. Related: Avoided; avoiding.