Ayurvedasutra 4.35

4.35

sirāmārgagatapavanamāṃsadhātvanusṛtajānujaṅghorubījapārśvapadmagata i, u, ṛ, e, o, ai varṇodbodhakasarandhrakābhyantaradharasirāmārgagatapavanagati-nirodhānādanilaprkopo bhavati

From the obstructions of the movement of wind travelling in the porous internal-bearing channels that awaken the sounds i, u, ṛ, e, o, and ai, situated in the lotuses of the knees, shanks, thighs, testicles, and flanks, following the bodily constituent of flesh and wind travelling in the pathways of the channels, aggravation of wind occurs.