embol-
combining form 
or emboli- or embolo-
Etymology: New Latin embol-, from Medieval Latin (in embolismus intercalation) — more at embolism 
1. : embolus 
< embolectomy >
< emboliform >
2. : wedge 
< Embolomeri >
or emboli- or embolo-
1.
< embolectomy >
< emboliform >
2.
< Embolomeri >