तम् those, अतिक्रम्य after passing, अपर्वतनदीवृक्षम् a location without mountains, rivers and trees, सर्वसत्त्ववर्जितम् a desolate place without trace of life, सर्वतः all over, शतयोजनम् hundred yojanas, आकाशम् vacant space.

'Beyond, there is a desolate place of hundred yojanas with no trace of life, no mountains, no trees, no rivers.