cotyl-
combining form 
or cotyli- or cotylo-
Etymology: Greek kotyl-, kotylo-, from kotylē 
 : cup : organ or part like a cup 
< cotyloid >
< cotyliform >
< Cotylosauria >
: acetabular and
< cotylosacral >
or cotyli- or cotylo-
< cotyloid >
< cotyliform >
< Cotylosauria >
: acetabular and
< cotylosacral >