Mahabharata 12.31.44

तत इष्ट्वा महायज्ञैर्बहुभिर्भूरिदक्षिणैःतर्पयामास देवांश्च पितॄंश्चैव महाद्युतिः

tata iṣṭvā mahāyajñairbahubhirbhūridakṣiṇaiḥtarpayāmāsa devāṃśca pitṝṃścaiva mahādyutiḥ

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