Artificial intelligent assistant

adamantive

adaˈmantive, a. Obs. rare.
  [f. adamant + -ive; or perh. misprinted for adamantine, with ‘turned n (u)’ as u = v.]
  = adamantine.

1599 B. Jonson Ev. Man out of Hum. ii. iv. 166 My adamantive eyes might head-long hale This iron world to me. 1605 Daniel Philotas (1717) 374 Th' Adamantive Ties Of Blood and Nature. ? 1650 Don Bellianis of Greece 181 It would have made any Adamantive breast to pitty them.

Oxford English Dictionary

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