adverb/kosˌtosaˈmente/
costly, expensively; extravagantly
Synonyms: caro, extravagantemente
Etymology tree Spanish costardeverb. Spanish costo 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 costoso Proto-Indo-European *men- Proto-Indo-European *-tis Proto-Indo-European *méntis Proto-Italic *mentis Latin mēns Old Spanish -mente Spanish -mente Spanish costosamente From costoso + -mente.