Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
com-mandūco (conm-), no perf., ātum, 1, v. a. (access. form commandū-cor, ātus, 1, v. dep., Lucil. ap. Non. p. 81, 26; p. 123, 27; p. 479, 2 sq.; in trop. signif.), to chew much, chew to pieces, masticate: linguam, Val. Max. 3, 3, ext. 4: acinos, Plin. 24, 4, 6, § 11; 25, 13, 105, § 165 sq.; Scrib. Comp. 9; 53; 165.