Mahabharata 1.13.42
देवांश्च तर्पयामास यज्ञैर्विविधदक्षिणैःऋषींश्च ब्रह्मचर्येण संतत्या च पितामहान्
devāṃśca tarpayāmāsa yajñairvividhadakṣiṇaiḥṛṣīṃśca brahmacaryeṇa saṃtatyā ca pitāmahān
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book