Cirien
Cirien is a term that can refer to several different concepts, often depending on the context in which it is used. In some contexts, it might be a personal name, either given or adopted. As a given name, its origins and prevalence can vary significantly by culture and region.
In other instances, "cirien" could be a word in a constructed language, created for a fictional work
It is also possible that "cirien" is a misspelling of a more common word or name. Without