-mix·is
\ˈmiksə̇s\  noun combining form 
(plural -mixes) 
Etymology: New Latin -mixis, from Greek, act of mingling, act of mixing, from mixis 
 : an intermingling in reproduction 
< apomixis >
< endomixis >
< pseudomixis >
< parthenomixis >
— compare -gamy
< apomixis >
< endomixis >
< pseudomixis >
< parthenomixis >
— compare -gamy