-tribe
\ˌtrīb\  noun combining form 
(-s) 
Etymology: Greek tribein to rub — more at tribade 
1. : one that rubs against  — used especially of flowers during cross-fertilization
< pleurotribe >
< sternotribe >
2. : instrument for crushing, compressing, or rubbing 
< angiotribe >
< osteotribe >
1.
< pleurotribe >
< sternotribe >
2.
< angiotribe >
< osteotribe >