Proto-Celtic *kumbā

→ English coomb (derived)

→ English combe (mention)

→ Catalan coma (derived)

→ Catalan cóm (mention)

→ Welsh cwm (inherited)

→ French combe (derived)

→ Galician comba (derived)

→ Galician camboa (derived)

→ Latin cumba (derived)

→ Dutch Komen (derived)