asupratāra
Monier-Williams Sanskrit-English Dictionary (2nd ed.)
☞
p. 1318, col. 2.
a-supratāra mfn. difficult to be crossed,
ib.
Schmidt Nachträge zum Sanskrit-Wörterbuch
☞
p. 86, col. 2.
asupratāra Adj. nicht leicht zu passieren, Jātakam. 24, 18.