Artificial intelligent assistant

grindel

ˈgrindel, a. Obs.
  In 4 gryndel.
  [Of unknown origin; cf. ON. grimd fierceness, f. grimm-r grim a.]
  Fierce; angry.

13.. E.E. Allit. P. C. 524 Be noȝt so gryndel god man, bot go forth þy wayes. 13.. Gaw. & Gr. Knt. 2338 Bolde burne, on þis bent be not so gryndel.

  Hence ˈgrindellaik [see -laik], fierceness, anger; ˈgrindelly adv., in a fierce manner.

13.. Gaw. & Gr. Knt. 312 Your gryndel-layk, & your greme, & your grete wordes. Ibid. 2299 Ful gryndelly with greme þenne sayde.

Oxford English Dictionary

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