Sclavia

From French esclave (“slave”) + -ia. From Slave Craton, from English Slavey, from Slave, from French Esclave, calque of Cree word for slave, the Cree exonym for the Slavey people, an Athabaskan aboriginal people who live in the region of the craton, particularly around the Great Slave Lake, itself also named for the Slavey. For more, see French esclave, English slave.

Sclavia

1. (geology) A former continent in Earth. A proposed ancient continent that would later merge together with the continents of Vaalbara and Superia to form the supercontinent Kenorland. It is observable as a former supercraton composed of the cratons of Slave, Wyoming, Dharwar, Zimbabwe
2. (geology) Synonym of Slave Craton, a sub-craton forming part of the Canadian Shield, the continental core of North America