pre·morse 
(prĭ-môrs) or prae·morse (prē′-)
(prĭ-môrs) or prae·morse (prē′-)adj.
Abruptly truncated, as though bitten or broken off: a premorse leaf.
[Latin praemorsus, past participle of praemordēre, to bite off in front : prae-, pre- + mordēre, to bite; see mer- in the Appendix of Indo-European roots.]