Artificial intelligent assistant

æviternal

æviˈternal, a. Obs. rare.
  [f. L. ævitern-us (the full form, of which ætern-us is the contr., f. ævum an age + -ternus adj. suffix) + -al1.]
  Everlasting, endless, eternal.

1660 T. Stanley Hist. Philos. III. ii. 137 Gods placed in the highest regions of aether, aeviternall. Ibid. (1701) 817/1 The second or middle kind of Things is begun in time, but is without end (commonly termed æviternal).

Oxford English Dictionary

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