niyoga
noun
ni·yo·ga
nēˈyōgə
plural -s
Hindu law
: an appointed task
specifically : the appointment of a brother or any near kinsman to raise up issue to a deceased childless husband by marrying his widow
Word History
Etymology
Sanskrit, order, duty, from niyunakti he orders, enjoins, from ni- down, into + yunakti he yokes, joins