aspretum

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

asprētum, i, n. [asper],

an uneven , rough place : ad hoc saxa erant temere jacentia, ut fit in aspretis, Liv. 9, 24, 6; 27, 18; 35, 28; 36, 15; Grat. Cyn. 241.