hecato-
combining form 
or hecaton-
Etymology: Greek hekato-, from hekaton hundred — more at hundred 
 : consisting of a hundred : having a hundred 
< hecatophyllous >
or hecaton-
< hecatophyllous >
hecato-hecto- 
Prefix
- One hundred; one hundred times.
Etymology
From Ancient Greek ἑκατόν (hekatón, “hundred”).