येनावृता इमे लोकास्तपसा त्वाष्ट्रमूर्तिना । स वै वृत्र इति प्रोक्त: पाप: परमदारुण: ॥ १८ ॥
yenavrta ime lokas tapasa tvastra-murtina sa vai vrtra iti proktah papah parama-darunah
- yena
- by whom
- avrtah
- covered
- ime
- all these
- lokah
- planes
- tapasa
- by the austerity
- tvastra-murtina
- in the form of the son of Tvasta
- sah
- he
- vai
- indeed
- vrtrah
- Vrtra
- iti
- thus
- proktah
- called
- papah
- personified sin
- parama-darunah
- very fearful.
That very fearful demon, who was actually the son of Tvasta, covered all the planeary systems by dint of austerity. Therefore he was named Vrtra, or one who covers everything.