Artificial intelligent assistant

æonian

æonian, a.
  (iːˈəʊnɪən)
  [f. Gr. αἰώνι-ος age-long, eternal + -an.]
  Eternal, everlasting.

1765 Tucker Lt. of Nat. I. 650, I might insist that the term translated ‘everlasting’ ought to be preserved untranslated, as a kind of technical term, and called aionian. 1850 Tennyson In Mem. xxxv. 11 The sound of streams that swift or slow Draw down æonian hills. 1867 G. Macdonald Poems 109 Heaven's æonian day.

Oxford English Dictionary

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