Meaning

adjective filled or abounding with fog or mist

originFrom brume + -ous, probably modelled after French brumeux (“foggy, hazy, misty”), from Late Latin brūmōsus (“wintry”), from Latin brūma (“winter solstice; winter; winter cold”) + -ōsus (suffix forming adjectives from nouns). Brūma is derived from brevima, brevissima (“shortest”), the superlative of brevis (“brief; short”) (the winter solstice being the shortest day of the year), ultimately from…

Etymology from Wiktionary, CC BY-SA 3.0