adjective/peˈnoso/
tough, difficult; painful; awful, pitiful; timid, easily embarrassed
Synonyms: difícil, arduo, trabajoso, doloroso, tímido, vergonzoso
Etymology tree Spanish pena 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 penoso From pena + -oso.