French régional

← French région (affix)

← French -al (affix)

← Latin regiōnālis (cognate)

→ French régionalement (suffix)

→ French interrégional (prefix)

→ French régionaliser (suffix)

→ Indonesian regional (derived)

→ Norwegian Bokmål regional (derived)

→ Norwegian Nynorsk regional (derived)

→ Romanian regional (borrowed)