Artificial intelligent assistant

mestive

ˈmestive, a. Obs.
  Also 7 mæstive.
  [as if ad. L. type *mæstīvus, f. mæs-, mærēre to mourn: see -ive.]
  Mournful.

1578 T. Proctor Gorg. Gallery M ij b, A carking care, a mount of mestiue mone. 1609 J. Davies Holy Roode (Grosart) 6/2 This kinde Pellican in mæstiue moode.

Oxford English Dictionary

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