Definition of ethnonationalism in English:

ethnonationalism

noun

mass noun
  • Advocacy of or support for the political interests of a particular ethnic group, especially its national independence or self-determination.

    ‘experts agree that the driving force behind the insurgency is ethnonationalism’

Pronunciation

ethnonationalism

/ˌɛθnəʊˈnaʃ(ə)n(ə)lɪz(ə)m/