Artificial intelligent assistant

prew

† prew Obs.
  [var. of preu, pru: cf. preu a.]
  A parallel ME. form of prow, advantage, profit, good; to his prew, advantageously.

c 1330 R. Brunne Chron. Wace (Rolls) 12754 Þenne had Marcel a neuew Þat was horsed vntil his prew.

Oxford English Dictionary

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