autolinguonym UK /ˌɔː.təʊˈlɪŋ.ɡwə.nɪm/US /ˌɔː.toʊˈlɪŋ.ɡwə.nɪm/ noun1 •A language name of endonymic (native) origin, created and used by native speakers as designations for their language."Gaelg" is the autolinguonym of Manx. formsautolinguonyms