Artificial intelligent assistant

quadrennium

quadrennium
  (kwəˈdrɛnɪəm)
  Also (correctly) quadriennium.
  [a. L. quadriennium, f. quadri- quadri- + annus year.]
  A period of four years; spec. in Sc. Law (see quot. 1823).

1823 Crabb, Quadriennium utile,..the term of four years allowed..to a minor after his majority, during which he may by suit, or action, endeavour to annul any deed granted to his prejudice during his minority. 1857 G. Oliver Coll. Hist. Cath. Relig. Cornwall 482 Francis Watmough..is known to have filled several quadrienniums before his death. 1876 Fox Bourne Locke I. ii. 52 In taking his bachelor's degree..Locke abridged the old quadrennium..by one term.

Oxford English Dictionary

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