The affix ñya (+\/- ya) comes, in the sense of a primitive serviceable for a product after the words ṛṣabha and upānah, denoting the products.,
Thus आर्षभ्यो वत्सः, औपानह्योः मुञ्जः ॥ This 'nya' debars 'chha'. Even when the primitive is 'leather चर्म', the affix 'nya' will come after उपानह् irregularly debarring अञ् of 5.1.15. Thus औपानह्यं चर्म ॥,