creolization
Noun
Meaning
(linguistics) the process of a pidgin rapidly expanding its vocabulary and grammatical rules, ultimately becoming a creole.
(Trinidad and Tobago) of Indo-Trinidadians, the process of assimilation into the dominant Creole culture.
Source: en.wiktionary.orgExamples
Roseau's French Quarter The churches in Roseau are fine examples of Europe in Dominica with a bit of creolization.
In the creolization process, the slaves developed a Louisiana Creole dialect incorporating both French and African forms, which colonists adopted to communicate with them, and which persisted beyond slavery.
Smith, Geoff P. Growing Up with Tok Pisin: Contact, creolization, and change in Papua New Guinea's national language.
Some versions of the hypothesis actually propose multiple creolization events, with later ones reinforcing and broadening simplifications introduced by earlier ones.
Thus the simplification of noun declension from Old English to Middle English may have had causes unrelated to creolization, although creolization may have caused the grammatical changes to occur more rapidly.
Where they are passed on, creolization would be expected to occur, resulting in a full language.