Artificial intelligent assistant

claviculer

claˈviculer Obs.
  [AFr. ad. L. clāviculārius key-keeper, f. clāvicula, dim. of clāvis key: see -ar.]
  A key-keeper, turnkey.

1447 O. Bokenham Seyntys (1835) 28 Sergius was unyversel clavyculer Of holy cherche.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 0fab693099704be19228bd1e931b65c7