Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
līentĕrĭcus, a, um, adj. [λειεντερία; cf. Cels. 2, 1], troubled with looseness or diarrhœa, lienteric: dantur coeliacis … sic et lientericis, Plin. 29, 3, 11, § 44.