auxiliary language

non-native language, natural or artificial, that is learned and used for some particular aim or use

en-GB/ɔːkˈsɪlɪəɹɪ ˈlæŋɡwɪd͡ʒ/
en-US/ɑɡˈzɪljəɹi ˈlæŋɡwɪd͡ʒ/

زمرے:

language