Broken Slavey (also Broken Slavé, Broken Slave, Slavey Jargon, Broken Slavee, and le Jargon esclave) was a trade language used between Native Americans and whites in the Yukon area (for example, in around Liard River and in the Mackenzie River district) in the 19th century.Broken Slavey is based primarily on the Slavey language with elements from French, Cree, and perhaps to a lesser extent English.