petista is masculine or feminine depending on context in Spanish.
a person who is affiliated to or supports the Brazilian Workers' Party.
Etymology tree Proto-Indo-European *perh₃-der.? Proto-Italic *partis Latin pars Latin partīre Old Galician-Portuguese partir Old Galician-Portuguese partido Portuguese partido Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri- Latin pālus Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂der.? Proto-Italic *-is Latin -is Latin tripālis Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ium