pidgin

A simplified form of speech that is usually a mixture of two or more languages, has a rudimentary grammar and vocabulary, is used for communication between groups speaking different languages, and is not spoken as a first or native language.

Business; affair; thing.

an amalgamation of two disparate languages, used by two populations having no common language as a lingua franca to communicate with each other, lacking formalized grammar and having a small, utilitarian vocabulary and no native speakers.

an artificial language used for trade between speakers of different languages