प्याय्

ओँप्यायीँ = ओ म् प य य आ य इ चंद्र बिंदी
detach/from inside rope connect upto connect below inside
detach/from inside leg/pillar connect upto connect below inside

धातु अर्थ
at वृद्ध = वृध् + क्त
wave superior + hand held in branchiation sense afloat.
grow (with irrigation indicated by वृध्), prosper and hence satisfy
The emaning is added to धातु पाठ later on. Oroginal and literal meaning is to obtain water and hence satisfy.