adjective/ɡɾaˈboso/
heavy; onerous
Synonyms: pesado, oneroso
Etymology tree Proto-Indo-European *gʷreh₂- Proto-Indo-European *-us Proto-Indo-European *gʷréh₂us Proto-Italic *gʷraus Latin gravis Old Spanish grave Spanish grave Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Old Spanish -oso Spanish -oso Spanish gravoso From grave + -oso.