The affix yat comes in the sense of 'good for that' after a word denoting a part of the body.,
The word शरीर means animal organism. This debars छ, thus, द꣡न्त्यम् 'good for the teeth.' क꣡ण्ठ्यम्, ओ꣡ष्ठ्यम्, ना꣡भ्यम्, न꣡स्यम् such as dentrifice, snuff, oil &c. See (VI. I. 213).,