1) Ancient Sanskrit grammarian 
in addition to what is given in the [[Working]] Glossary it should be understood that the breath and its channels referred to are not the lungs and air passages but the inner psychic breath.
Pingala (Devanagari: पिङ्गल {IAST|piṅgala}) is the traditional name of the author of the {IAST|Chandaḥśāstra} (also {IAST|Chandaḥsūtra}), the earliest known Sanskrit treatise on prosody. Little is known about Piṅgala himself. In later Indian literary tradition, he is variously identified either as the younger brother of Pā