Artificial intelligent assistant

demeanant

deˈmeanant, a. Obs.
  In 5 demenaunt.
  [ad. OF. demenant, pres. pple. of demener: see demean v.1 and -ant1. Cf. F. demener marchandise, to trade or traffique. Cotgr.]
  Dealing, trading.

1467 in Eng. Gilds (1870) 404 None other citezen withyn the seid cite demenaunt. Ibid. 393 No citezen resident withyn the cite and demenaunt.

Oxford English Dictionary

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