search `niyama' in `Apte Dic'
meanings of "niyama"
6.a rule or precept (in general);
11.any voluntary or self-imposed religious observance (dependent on external conditions);
12.any minor observance or lesser vow;
14.(in miim. phil.) a rule or precept which lays down or specifies something which, in the absence of that rule, would be optional;
15.(in yoga phil.) restraint of the mind;
16.(in rhet.) a poetical commonp lace or convention, as the description of the cuckoo in spring;
18.keeping down (as the voice);