धर्मात्मा righteous, सुमन्त्र: Sumantra, मुनिशासनात् in accordance with ascetic's order, त्वरितो भूत्वा become quick, महीक्षित: kings, समानेतुम् to escort, स्वयमेव himself, प्रययौ set out.
In accordance with the ascetic's order, righteous Sumantra himself quickly set out to escort Janaka and other kings.