German-English translations for erstsprache

first languageThis obviously conveys the message that the first language is more important, while the second is subordinate and second-class. Das vermittelt offensichtlich, dass die Erstsprache wichtiger ist, während die zweite untergeordnet und zweitrangig ist. She was born and raised in France, although her first language is Portuguese because her parents are from Brazil.
mother tongueHis mother tongue is a relatively conservative dialect of Aramaic

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