4.2
Chapter 4, Verse 2
एवं परम्पराप्राप्तमिमं राजर्षयो विदुः। स कालेनेह महता योगो नष्टः परन्तप৷৷
ēvaṅ paramparāprāptamimaṅ rājarṣayō viduḥ. sa kālēnēha mahatā yōgō naṣṭaḥ parantapa৷৷
Translation
The Divine Kings knew it, for it was their tradition. Then, after a long time, at last it was forgotten.
Translation — Purohit Swami
Commentary
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.
Commentary — Swami Sivananda
Sanskrit and transliteration of the Bhagavad Gita. Corpus compiled from the vedabase and the IIT Kanpur Gita Supersite.