ceno- 1
a combining form meaning "new," "recent," used in the formation of compound words: cenogenesis.
Also, caeno-, caino- .
[ comb. form repr. Gk kainós ]
ceno- 2
a combining form meaning "common," used in the formation of compound words: cenobite.
Also, coeno- .
[ koino-, comb. form of koinós ]