adjective/bitumiˈnoso/
bituminous
Etymology tree Proto-Indo-European *gʷet- Proto-Indo-European *-us Proto-Indo-European *gʷétuder. Latin *bitū Proto-Indo-European *-mn̥ Proto-Italic *-mn̥ Latin -men Latin bitūmen Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Latin bitūminōsusbor. Spanish bituminoso Borrowed from Latin bitūminōsus.