Mahabharata 1.160.13

अर्घ्यमाल्योपहारैश्च शश्वच्च नृपतिर्यतःनियमैरुपवासैश्च तपोभिर्विविधैरपि

arghyamālyopahāraiśca śaśvacca nṛpatiryataḥniyamairupavāsaiśca tapobhirvividhairapi

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