Latin castaneus

← Latin castanea (mention)

→ Asturian castañu (inherited)

→ Catalan castany (inherited)

→ Spanish castaño (inherited)

→ French châtain (mention)

→ Galician castaño (inherited)

→ Portuguese castanho (inherited)

→ Romanian castan (borrowed)

→ Old Portuguese castanno (inherited)

→ Aromanian cãstãnj (mention)

→ Aromanian cãstãnjiu (mention)