ORIGIN: from phen(yl ket)one 
-phe·none
\fəˈnōn, ˈfēˌnōn\  noun combining form 
(-s) 
Etymology: phen- + -one 
 : aromatic ketone containing a phenyl or substituted phenyl group attached to a (specified) acyl group 
< acetophenone >
< benzophenone >
< resacetophenone >
< acetophenone >
< benzophenone >
< resacetophenone >