Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
fossĭlis, e, adj. [fossus, from fodio], dug out, dug up, fossil: sal, Varr. 2, 11, 6: harena, Plin. 36, 26, 66, § 192: ebur, id. 36, 18, 29, § 134: flumen, Amm. 24, 6.