Spanish río

← Spanish ría (link)

← Spanish rival (link)

← Proto-Indo-European (inherited)

← Proto-Indo-European *h₃er- (mention)

← Proto-Indo-European *-wós (mention)

← Latin rīvus (inherited)

→ English Rio Arriba County (derived)

→ English Del Rio (mention)

→ English Rio Dell (borrowed)

→ Spanish ría (doublet)

→ Spanish riada (suffix)

→ Spanish andarríos (affix)

→ Papiamentu riu (derived)

→ Portuguese rio (cognate)

→ Russian река (mention)