Artificial intelligent assistant

under-vest

ˈunder-vest
  (under-1 5 a.)

1813 Scott Trierm. iii. xviii, With nought to fence his dauntless breast But the close gipon's vnder-vest. 1883 Ld. Lytton Life Lytton I. 47 A delicate pink silk kerchief, carelessly folded to answer the purpose of our modern undervest.

Oxford English Dictionary

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