Ge-campian
Bosworth & Toller Anglo-Saxon Old English Dictionary - ge-campian
According to the Old English Dictionary:
-compian;
- ge-campian
- p. ode; pp. od To fight :-- He wolde gecompian wiþ ðone awerigdan gást he wished to fight with the accursed spirit, Blickl. Homl. 29, 17. ge-campian