Noun
English Wikipedia has an article on:ethnolinguisticsWikipedia
ethnolinguistics (uncountable)
The field of linguistic anthropology which studies the language of a specific ethnic group.
Though metaphors can be considered to be "in" language, Underhill's chapter on French, English and ethnolinguistics demonstrates that we cannot conceive of language or languages in anything other than metaphoric terms. Source: Internet
The true source of ethnolinguistics and the thinker who contributed most to the debate on the relationship between culture, language, and linguistic communities was the German philologist Wilhelm von Humboldt (1767–1835). Source: Internet