←
Proto-Indo-European (inherited)
←
Proto-Indo-European *h₃er- (mention)
←
Proto-Indo-European *-wós (mention)
←
Latin rīvus (inherited)
←
Portuguese rival (link)
←
Portuguese leito (link)
←
Old Portuguese rio (inherited)
→
Papiamentu riu (derived)
→
Guinea-Bissau Creole riu (derived)
→
Portuguese ria (mention)