French radium

← French radioactif (mention)

← Latin -ium (mention)

← Latin radium (mention)

→ English radium (borrowed)

→ Asturian radiu (borrowed)

→ Crimean Tatar radiy (derived)

→ Spanish radio (borrowed)

→ French radifère (suffix)

→ Galician radio (borrowed)

→ Italian radio (borrowed)

→ Latin radium (mention)

→ Norwegian Bokmål radium (derived)

→ Norwegian Nynorsk radium (derived)

→ Portuguese rádio (borrowed)

→ Romanian radiu (borrowed)