This is so interesting … what does this theory say about the Métis/Half-breed cultures who speak Cree-Michif, French Michif and who used to speak Bungee I wonder?
Sapir-Whorf hypothesis
noun
1.
the theory that human languages determine the structure of the real world as perceived by human beings, rather than vice versa, and that this structure is different and incommensurable from one language to another
http://www.dictionary.com/browse/sapir-whorf-hypothesis