Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dis-cŏquo, xi, ctum, 3, v. a., to boil to pieces, to boil thoroughly (post-Aug.), Cels. 6, 9; Plin. 22, 25, 70, § 142; 32, 7, 26, § 81; 23, 6, 60, § 113; Vulg. Ezech. 24, 5 al.