What is "illyro-roman"

Illyro-Roman is a term used in historiography and anthropological studies for the Romanized Illyrians within the ancient Roman provinces of Illyricum, Moesia, Pannonia and Dardania. The term 'Illyro-Roman' can also be used to describe the Roman settlers who colonized Illyricum. The remnants of the Illyro-Romans, called Vlachs in literature, were absorbed by the western South Slavs and Albanians.