Definition of ethnolinguistics in English:

ethnolinguistics

Pronunciation /ˌeTHnōliNGˈɡwistiks/ /ˌɛθnoʊlɪŋˈɡwɪstɪks/

plural noun

treated as singular
  • The branch of linguistics concerned with the relations between linguistic and cultural behavior.

    ‘The results of this project will contribute essentially to the study of ethnolinguistics and to the description of some endangered languages and dialects.’
    • ‘His interests include ethnolinguistics and language acquisition in bilingual children.’