cocc-
combining form 
or cocci- or cocco-
Etymology: New Latin, from coccus & Latin coccum kermes berry, both from Greek kokkos grain, seed, kermes berry 
 : grain : seed : berry : coccus 
< coccoid >
< cocciform >
< coccolith >
or cocci- or cocco-
< coccoid >
< cocciform >
< coccolith >