It means 'based on kinship with the female line of the family'.
tracing descent through the mother.
The Cree Nation is primarily patrilineal, meaning that lineage and inheritance are traced through the male line. However, societal roles and family structures can vary among different Cree communities, and some may exhibit matrilineal characteristics, particularly in social and cultural practices. Overall, while patrilineal descent is predominant, the Cree Nation's diverse traditions reflect a mix of influences.