Artificial intelligent assistant

quaternal

quaˈternal, a. rare.
  [f. as prec. + -al1.]
  a. = quaternary a. 1. b. erron. = quadrennial.

1616 R. C. Times' Whistle Cert. Poems (1871) 150 His first Advent yeilds a quaternall section, His birth, his life, his death, his resurrection. 1655 Moufet & Bennet Health's Improv. (1746) 161 The Carthaginians, whose famous quaternal Feast consisted only of four Dishes. 1813 J. C. Hobhouse Journey (ed. 2) 581 Prizes distributed at each quaternal celebration of the Olympian games.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 789d4b226defd256b66779055b20c735