carbobenzoxy-
combining form 
or carbobenzyloxy-\“\ 
Etymology: International Scientific Vocabulary, from carb- + benzoxy- or benzyloxy- 
 : containing the univalent radical −COOCH2C6H5 composed of a benzyloxy radical united with carbonyl 
< carbobenzyloxyglycine >
or carbobenzyloxy-
< carbobenzyloxyglycine >