4.2 एवम् thus, परम्पराप्राप्तम् handed down in regular succession, इमम् this, राजर्षयः the royal sages, विदुः knew, सः this, कालेन by lapse of time, इह here, महता by long, योगः Yoga, नष्टः destroyed, परन्तप O Parantapa.Commentary: The royal sages Men who were kings and at the same time sages also, learnt this Yoga.Arjuna could burn or harass his foes, like the sun, by the heat of his valour and power. Hence the name Parantapa.