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interlanguage

noun in·ter·language \ ˈintə(r)+ˌ- \
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Definition of interlanguage

1 : language or a language for international communication
2 : a language produced by a learner of a second language that often has grammatical features not found in either the learner's native language or the language being acquired

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Origin and Etymology of interlanguage

inter- + language

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to lower or disgrace the reputation of

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