noun, masculine/oˈpeɾkulo/plural: opérculos
opérculo is masculine in Spanish.
operculum
Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁epi Proto-Indo-European *h₂wer- Proto-Indo-European *-yeti Latin operiō Latin -culum Latin operculumlbor. Spanish opérculo Learned borrowing from Latin operculum.