Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* con-tollo, ĕre, 3, v. a., to bring together: contollam gradum, will go to meet him ( = contra tollam, Wagn. ad loc.), Plaut. Aul. 5, 6 (ap. Non. p. 82, 1).