Artificial intelligent assistant

submarshal

ˈsubˌmarshal Obs. exc. Hist.
  [sub- 6.]
  A deputy or under-marshal; an official in the marshalsea acting as the knight-marshal's deputy.

1594 Crompton Jurisd. 104 Lopinion del Court fuit, que le Submarshal fuit deins le case del dit estat. 1607 Cowell Interpr., Submarshall,..is an officer in the Marshalsea. 1711 Lond. Gaz. No. 4797/1 The Count de Denhof, Sub-Marshal of Lithuania, hopes to succeed him.

Oxford English Dictionary

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