dimness

From Middle English dymnes, dymnesse, from Old English dimnes, dymnys, dimness (“dimness, darkness, obscurity”), equivalent to dim +‎ -ness.

dimness (countable and uncountable, plural dimnesses)

1. The state of being dim, poorly illuminated, almost dark.
   • 1831, Thomas Carlyle, “Symbols”, in Sartor Resartus: The Life and Opinions of Herr Teufelsdröckh. […], London: Chapman and Hall, […], →OCLC, 3rd book, page 155:

     So likewise a day comes when the Runic Thor, with his Eddas, must withdraw into dimness; and many an African Mumbo-Jumbo and Indian Pawpaw be utterly abolished.

• desmins, endisms, missend