durity

hardness; firmness

Noun

  1. hardness; firmness
    • it cometh short of their compactness and durity; and, therefore, requireth not the emery, as the saphire, granite, and topaz, but will receive impression from steel, in a manner like the turquoise. - 1650, Thomas...
  2. harshness; cruelty
    • […]surrendred to the said John by the said William by durity and menaces - 1689, Richard Braithwaite, Remembrances of Methods, Orders, and Proceedings […] in the House of Lords:

Origin

From Latin duritas, from durus (“hard”).