तस्य वाचकः प्रणवः। (२७)
Tasya vācakaḥ praṇavaḥ.
(Tasya vācakaḥ praṇavaḥ 27)
His name is praṇava (OM).
Sūtra words
tasya, vācakaḥ and praṇavaḥ
Word formation
tasya — sixth case singular, masculine gender of pronoun tat
vācakaḥ — first case singular, masculine gender of the noun vācaka, (verb) vac + (suffix) aka
praṇavaḥ — first case singular, masculine gender of praṇava,
(prefix) pra + (verb) nu + (suffix) a
Word meaning
tasya — his
vācakaḥ — name
praṇavaḥ — OM (the word is used in the tradition to indicate this syllable)