Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* quătĕ-făcĭo, fēci, factum, 3, v. a. [quatio-facio], to shake; trop., to cause to waver, to weaken: quatefeci Antonium, Cic. Ep. ad Brut. 1, 10, 4.