Mixed language

Language that arises amongst a bilingual group

A mixed language, also referred to as a hybrid language, contact language, or fusion language, is a language that arises among a bilingual group combining aspects of two or more languages but not clearly deriving primarily from any single language. It differs from a creole or pidgin language in that, whereas creoles/pidgins arise where speakers of many languages acquire a common language, a mixed language typically arises in a population that is fluent in both of the source languages.

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