Artificial intelligent assistant

accumbrous

aˈccumbrous, a. Obs.
  Also 5 acombrous
  [for earlier encomberous: see accumber and -ous; cf. cumbrous.]
  Cumbrous, oppressive, troublesome.

c 1392 Chaucer Compl. Venus 42 (Tanner MS.) A litill tyme his gifte is agreable But ful acombrous is the vsynge [other MSS. encoumberouse, encumbrous, encomberous].

Oxford English Dictionary

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