dolor

noun2

1. •
   (literary) Anguish, grief, misery, or sorrow.

   • Who dyes the vtmost dolor doth abye, / But who that liues, is lefte to waile his losse: / So life is losse, and death felicity. — 1590
2. •
   In economics and utilitarianism: a unit of pain used to theoretically weigh people's outcomes.

   • Supposedly, utilitarians are able to add and subtract hedons (units of pleasure) and dolors (units of pain) without any signs of cognitive or affective distress […] — 1986