search `niyoga' in `Apte Dic'
meanings of "niyoga"
m.{a-stem}
1.employment;
2.an injunction;
3.fastening or attaching to;
4.necessity;
5.effort;
6.certainly;
7.an invariable rule;
8.commission;
9.right;
10.a practice prevalent in ancient times which permitted a childless widow to have intercourse with the brother or any near kinsman of her deceased husband to raise up issue to him
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