niyoga
/niːˈjoʊɡə/Definitions
1. noun
a Hindu custom in which a childless woman is allowed to marry another man for the purpose of having children, while the first husband remains her husband.
“In ancient Hindu society, niyoga was practiced as a means of ensuring the continuation of a family line.”
2. verb
to practice or engage in niyoga
“The woman was forced to niyoga with the man to produce an heir.”