Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dēprĕcĭātor and dēprĕcĭo, v. depretiator and depretio.
* dēprĕtĭātor (deprec-), ōris, m. [depretio], one who depreciates, a depreciator: operum, Tert. adv. Marc. 4, 29.