What does Atharv mean?
From Sanskrit atharvan (अथर्वन्), the name of the Atharvaveda and of the ancient sage traditionally said to be the first priest of fire. Commonly taken to mean 'knowledge' or evokes the Vedic fire-priest.
What does Pranav mean?
From Sanskrit pranava (प्रणव), the term for the sacred syllable 'Om', regarded as the primordial sound. A spiritually weighted name meaning the mystic syllable itself.