Muttersprache

Etymology
Loan translation and/or phonetic adaptation of, itself possibly a loan translation of. Analyzable as.

Noun

 * 1) mother tongue; native language
 * 2)  the language one has learnt from one’s mother (chiefly in the case of two parents with different languages)
 * 3)  ancestor language, parent language language from which another is derived
 * 1)  the language one has learnt from one’s mother (chiefly in the case of two parents with different languages)
 * 2)  ancestor language, parent language language from which another is derived
 * 1)  ancestor language, parent language language from which another is derived
 * 1)  ancestor language, parent language language from which another is derived