Artificial intelligent assistant

ear-witness

ear-witness
  [f. ear n.1]
  A person who testifies, or is able to testify, to something on the evidence of his own hearing.

1594 Hooker Eccl. Pol. v. 257 All which are present being made eare-witnesses. 1636 Healey Epictetus' Man. lxix. 89 Let not..the vulgar bee eare-witnesses of thy words, but eye-witnesses of thy workes. 1734 tr. Rollin's Anc. Hist. (1827) I. i. §1. 181 Strabo himself was an ear-witness of this. 1850 Grote Greece ii. lxiv. VIII. 269 The last words of these drowning men reported by an ear-witness. 1870 Bowen Logic xiii. 433 The Testimony of eye- and ear-witnesses.

Oxford English Dictionary

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