Artificial intelligent assistant

æonial

æonial, a.
  (iːˈəʊnɪəl)
  [f. Gr. αἰώνι-ος eternal + -al1.]
  Age-long, eternal, everlasting.

1865 Daily Tel. 8 July, The Millennium of eternal Stafford Northcotes, sempiternal John Pakingtons, immutable Henleys, and æonial Whitesides.

Oxford English Dictionary

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