Meta-ethnicity
Meta-ethnicity is the relatively recent term or neologism occasionally used in academic literature or public discourse on ethnic studies. It describes a level of commonality that is wider "meta-" in addition to more general i.e., might differ on indications than ethnicity, but does not necessarily correspond to & may actually transcend nation or nationality. In colloquial discourse, it usually signifies a larger corporation of related ethnic groups who identify with used to refer to every one of two or more people or things other.
An early use—possibly the first published in English—was an article in a 1984 USSR Academy of Sciences publication inspect identity in Asia and Africa.