adjective/pantaˈnoso/
swampy, marshy; tricky, tough
Etymology tree Spanish pantano 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 pantanoso From pantano + -oso.