noun, masculine/ˈsoθjo/plural: socios
partner; member; buddy, mate
Synonyms: compañero, miembro, colega, mano
Etymology tree Proto-Indo-European *sekʷ- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *sokʷéh₂ Proto-Indo-European *-ṓy Proto-Indo-European *sokʷh₂ṓy Proto-Indo-European *-yós Proto-Indo-European *sokʷyós Proto-Italic *sokjos Latin sokios Latin sociusbor. Spanish socio Borrowed from Latin socius (“partaking, associated; partner, associate”).