Erstspracherwerb; First language acquisition; Ontogenese; Language acquisition ; Dual language acquisition; Bimodal language acquisition; Spracherwerb (biling.) ; Language acquisition (biling.) ; Bilingual language acquisition ; Einfluss von Sprachen aufeinander; Sprachberührung; Areallinguistik; Languages in contact ; Auswanderer; Emigrants; Migrant; Aussiedler; Gastarbeiter; Arbeitsmigranten; Immigrants/Emigrants ; Second language acquisition (pragm.) ; Zweitspracherwerb (pragm.) ; Interactionist hypothesis (second language acquisition) ; Conversational analysis (second language acquisition) ; Third language acquisition ; Second language acquisition in children; Kindlicher Zweitspracherwerb; Child second language acquisition ; French ; Schweiz (fr. Sprache in der) ; Switzerland (French language in) ; French in Switzerland
