Definition of endoglossic in English:

endoglossic

adjective

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

    ‘The recommendation here is that indigenous communities begin now to develop endoglossic policies that will reinforce past efforts in bilingual education.’
    Compare with exoglossic
    ‘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

/ˌɛndə(ʊ)ˈɡlɒsɪk/