Artificial intelligent assistant

war-lock

war-lock, v.2 nonce-wd.
  [f. war n.1 + lock v. (? suggested by warlock n.1)]
  trans. ? To bar against hostile invasion.

1800 J. Hurdis Fav. Village 40 The western fort, That..war-locks imminent the mouth of Ouse.

Oxford English Dictionary

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