Mahabharata 1.161.18

तस्मादेवंगते काले याचस्व पितरं ममआदित्यं प्रणिपातेन तपसा नियमेन च

tasmādevaṃgate kāle yācasva pitaraṃ mamaādityaṃ praṇipātena tapasā niyamena ca

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