Mahabharata 5.18.6

ततस्तु भगवानिन्द्रः प्रहृष्टः समपद्यतवरं च प्रददौ तस्मै अथर्वाङ्गिरसे तदा

tatastu bhagavānindraḥ prahṛṣṭaḥ samapadyatavaraṃ ca pradadau tasmai atharvāṅgirase tadā

Our plain-language meaning of this verse is waiting for scholar review.