Artificial intelligent assistant

age-long

age-long, a.
  (ˈeɪdʒˌlɒŋ)
  [f. age n. + long.]
  Long with the length of an age, long as an age; lasting for an age.

1810 Southey Kehama xxiii. v. Wks. VIII. 189 Where the heavenly Hours Weave the vast circle of his age-long day. 1862 Lytton Strange Story (1866) II. lxxxvii. 355 The age-long trees in the forest. 1878 L. Morris Hades 24 Self-inflicted death and age-long woe.

Oxford English Dictionary

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