/tɾaˈseɾo/
back, back-side, rear-side, posterior
“al asiento trasero” — in the back seat
Related: luz trasera, puerta trasera
Etymology tree Proto-Indo-European *terh₂-der. Proto-Indo-European *térh₂t Proto-Indo-European *-ónts Proto-Indo-European *tr̥h₂ónts Proto-Indo-European *tr̥h₂n̥ts Proto-Italic *trāns Latin trāns Old Spanish tras Spanish tras Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish trasero From tras + -ero.
behind, butt, rear-end, posterior
“No patino bien, siempre me caigo de trasero.” — I can't skate well; I always fall on my backside.
Synonyms: culo
Related: traserito
Etymology tree Proto-Indo-European *terh₂-der. Proto-Indo-European *térh₂t Proto-Indo-European *-ónts Proto-Indo-European *tr̥h₂ónts Proto-Indo-European *tr̥h₂n̥ts Proto-Italic *trāns Latin trāns Old Spanish tras Spanish tras Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish trasero From tras + -ero.