Answer:
Levirate Marriage
Explanation:
The word levirate is derived from a Latin word 'levir' which means brother of husband. Levirate marriage has a long history and it could be seen in different traditions across the globe. However, it is mostly found in societies having strict clan structure and where marrying outside a social group or community is forbidden. In the patriarchal system, it is an important institution as it ensured the protection of a widow and her children.
