Proto-Celtic *dēwos

→ Welsh duw (inherited)

→ French Marne (mention)

→ Irish dia (inherited)

→ Irish Dia (inherited)

→ Scottish Gaelic dia (inherited)

→ Scottish Gaelic Dia (inherited)

→ Galician Deva (derived)

→ Cornish duw (inherited)

→ Latin Deva (derived)

→ Latin Didacus (mention)

→ Dutch Dievoet (derived)

→ Old Persian 𐎭𐎡𐎺 (cognate)

→ Old Irish día (inherited)