Artificial intelligent assistant

fiend-scathe

ˈfiend-scathe
  [OE. féondscaða, -sceaða, f. féond, fiend + scaða, sceaða enemy.]
  A monster.

Beowulf 554 Me to grunde teah fah feondscaða. c 1205 Lay. 26039 Aris feond-scaðe to þine sæie-siðe.

Oxford English Dictionary

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