Artificial intelligent assistant

stathelness

† ˈstathelness Obs.
  [f. stathel v. + -ness.]
  Solidity, firmness.

a 1300 E.E. Psalter lxviii. 3, I am festened in slime depe esse, And es þare na staþelnesse. Ibid. cxxxviii. 15 And þe staþelnes ofe me In netherest ofe erthe to be.

Oxford English Dictionary

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