Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† cătōmĭdĭo, āre, v. a., = κατωμίζω, to lay one over the shoulders of another, and thus to flog him; acc. to others, to strike on the shoulders, Petr. 132 init.; Spart. Had. 18.