Artificial intelligent assistant

under-thesaurer

ˈunder-ˌthesaurer Obs.
  [under-1 6 a.]
  An under-treasurer.

1534 Cromwell in Merriman Life & Lett. (1902) I. 373 Suche patenttes and grauntys as your highnes and..your father..haue grauntyd vnto..your undertesawrer of your exchequer. 1536–7 Act in Bolton Stat. Irel. (1621) 104 So as the said underthesaurer be one.

Oxford English Dictionary

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