Artificial intelligent assistant

stalworthness

ˈstalworthness Obs.
  [f. stalworth a. + -ness.]
  The quality of being ‘stalworth’.

a 1340 Hampole Ps. xvii. 40 Ay waxand in stalworthnes. 1382 Wyclif Jer. xvi. 19 Lord, my strength and my stalwrthenesse. c 1425 Eng. Conq. Irel. (1896) 52 Geraud & Alexander..throgh kynd stalwardnesse hertly smytten out to the formest, & many dydden to deth.

Oxford English Dictionary

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