D defs.my
Entry 1 sense Webster, 1913

Nemesis

/(nĕm"ē̇*sĭs)/ · Nem·e·sis · IPA /ˈnɛməsɪs/
01 prop. n. The goddess of retribution or vengeance; hence, retributive justice personified; divine vengeance.
  1. 1.
    The goddess of retribution or vengeance; hence, retributive justice personified; divine vengeance.(Class. Myth.)
    “This is that ancient doctrine of nemesis who keeps watch in the universe, and lets no offense go unchastised.” Emerson.