(p. 555) naẏa2 a political or sociological or theological or moral principle; politics; sociology; theology; ethics. ̃জ্ঞ a. versed in politics, sociology, theology or ethics. n. such a person. ̃জ্ঞান n. knowledge of politics, sociology, theology or ethics. ̃শাস্ত্র n. politics, sociology, theology and ethics collectively or separately. 48)