Origin of caliginous
Middle French or Latin; Middle French caligineux, from Latin caliginosus, from caligin-, caligo darkness
First Known Use: 1548
Learn More about caliginous
Thesaurus: All synonyms and antonyms for "caliginous"
Seen and Heard
What made you want to look up caliginous? Please tell us where you read or heard it (including the quote, if possible).