出典:Wiktionary
From brūma + -ōsus. 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 Proto-Indo-European *mréǵʰus (“brief, short”).
brūmōsus (feminine brūmōsa, neuter brūmōsum); first/second-declension adjective