वनदाहाभिसन्तप्तं dried by forest fire, पादपं tree, गूढः hidden, अग्निरिव like a fire, राघवम् Bharata, दहनः grief, अन्तर्दाहेन burning within himself, सन्तापयति scorching.

Just like a concealed forestfire scorching the dried up forest, the fire of sorrow kindled in his mind scorched Bharata.