adjective/ˈsolido/
solid; strong, firm
Synonyms: fuerte, firme
Etymology tree Proto-Indo-European *solh₂-der. Proto-Indo-European *solh₂-i-dʰ-o-s Proto-Italic *soliðos Latin solidusbor. Spanish sólido Borrowed from Latin solidus (“solid”).
/ˈsolido/
solid; strong, firm
Synonyms: fuerte, firme
Etymology tree Proto-Indo-European *solh₂-der. Proto-Indo-European *solh₂-i-dʰ-o-s Proto-Italic *soliðos Latin solidusbor. Spanish sólido Borrowed from Latin solidus (“solid”).
sólido is masculine in Spanish.
solidus
Borrowed from Latin solidus (“gold coin”). Doublet of the inherited sueldo.
sólido is masculine in Spanish.
solid
Related: sólido arquimediano, sólido de Arquímedes, sólido platónico
From substantivation of the adjective in etymology 1.