Indigenous language and Language

Indigenous language noun - A language that originated in a specified place and was not brought to that place from elsewhere.

Language and indigenous language are semantically related. In some cases you can use "Language" instead a noun phrase "Indigenous language".

Language noun - The stock of words, pronunciation, and grammar used by a people as their basic means of communication.

Indigenous language and language are semantically related. Sometimes you can replace phrase "Indigenous language" with "Language", this terms are similar.