Atharva-the Atharvaveda,
Angirasam-unto the Rishi of Angirasa,
Asit-was entrusted,
Sumanta-He was also known as Sumant
muni,
Daruna-seriously devoted in the matter of Atharva
Veda,
Itihasa purananam-of the historical records like the Puranas,
Pita-father,
Me-mine,
Romaharsana-Rishi of the name.