Internet Governance Glossary
2
2.33 Internationalized Domain Name / IDN
Domain name that includes characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet
Note:
An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese.
Arabic: 2.33 اسم نطاق مدوَّل