Artificial intelligent assistant

chauffet

ˈchauffet Obs. rare—1.
  [a. F. chaufette chafing-dish (Cotgr.), f. chauffer to warm.]
  A vessel containing charcoal for warming the feet.

1772–84 Cook Voy. (1790) I. 316 Not one of them will stir without a chaudpied, or chauffet, which is carried by a servant, that it may be ready to place under her feet, whenever she sits down: though few of these chauffets have fire in them.

Oxford English Dictionary

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