Portuguese castanho

← Asturian castañu (cognate)

← Catalan castany (cognate)

← Spanish castaño (cognate)

← Galician castaño (cognate)

← Latin castaneus (inherited)

← Mirandese castanho (cognate)

← Old Portuguese castanno (inherited)

→ Spanish castaño (cognate)

→ Kabuverdianu kastanhu (derived)

→ Guinea-Bissau Creole kastanhu (derived)

→ Portuguese acastanhar (affix)