Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
frĭābĭlis, e, adj. [frio], easily broken, or crumbled to pieces, friable: tofus, Plin. 17, 4, 3, § 29: sandaracha, id. 34, 18, 55, § 177.