kip·per 
(kĭpər)
(kĭpər)n.
A herring or salmon that has been split, salted, and smoked.
tr.v. kip·pered, kip·per·ing, kip·pers
To prepare (fish) by splitting, salting, and smoking.
[Middle English kipre, a male salmon in the spawning season, from Old English cypera, probably from cyperen, of copper, from coper, copper (because of the fish's color during the spawning season); see COPPER1.]