I cannot stop marveling at the way how deeply, almost at the archetypic level those various aspects of ancient Indian views – yoga, philosophy, grammar and medicine – happen to be intertwined. Here is the recent fact that has astonished me.
As I have already written in one of my previous articles http://yoga-sutra-comment-eng.blogspot.com/2015/02/blog-post.html almost all words in Sanskrit (except the borrowed ones) have derived from the so called verbal roots which complete list and classification have been drawn in “Dhatupatha” directory that was compiled more than two thousand years ago.