xiǎo​yǔ​zhǒng

minority language

小语种 小語種 xiǎo​yǔ​zhǒng
minority language
A language spoken by a small number of people or used in only one or two countries
non-major foreign language
In a Chinese context, any foreign language other than English, often used in education or recruitment to refer to languages other than the six official languages of the United Nations