adjective/desasˈtɾoso/
disastrous; calamitous (an event)
Synonyms: calamitoso
Etymology tree Occitan desastrebor. Spanish desastre 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 desastroso From desastre + -oso.