Definition of endoglossic in English:

endoglossic

noun

Linguistics
  • Denoting or relating to an indigenous language that is used as the first or official language in a country or community.

    Compare with exoglossic
    • ‘The recommendation here is that indigenous communities begin now to develop endoglossic policies that will reinforce past efforts in bilingual education.’
    • ‘Shona and Ndebele, the two dominant endoglossic languages have been accorded the status of national languages.’

Origin

1980s: from endo-, Greek glōssa language, tongue and -ic.

Pronunciation:

endoglossic

/ˌendōˈɡlôsik/