- misty; dim; dark.
Origin of caliginous
1540–50; < Latin cālīginōsus misty, equivalent to cālīgin- (stem of cālīgō) mist + -ōsus -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- archaic dark; dim
C16: from Latin cālīginōsus, from cālīgō darkness
Word Origin and History for caliginosity
1540s, from Latin caliginosus "misty," from caliginem (nominative caligo) "mistiness, darkness, fog, gloom." Related: Caliginosity.
Online Etymology Dictionary, © 2010 Douglas Harper