petrensis
petrensis, e, adj. [1. petra],
- found among rocks or stones (post-class.): pisces, Cael. Aur. Tard. 2, 1, 26.
petrēnsis, e (petra), an od. in Felsen od. Steinen befindlich, Cael. Aur. de morb. chron. 2, 1, 26.
pĕtrēnsis, e, saxatile : C. Aur. Chron. 2, 1, 26.