←
Spanish llano (cognate)
←
Galician chan (cognate)
←
Proto-Indo-European *pleh₂- (inherited)
←
Portuguese plano (doublet)
←
Portuguese porão (mention)
←
Portuguese plano (link)
←
Portuguese plano (doublet)
←
Old Portuguese chão (inherited)
←
Old Portuguese chão (inherited)
→
Galician chan (cognate)
→
Portuguese plano (doublet)
→
Portuguese porão (mention)