Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† gryps, gryphis (grȳphus, i, Mel. 2, 1, 1; 3, 7, 2), m., = γρύψ, a fabulous fourfooted bird, a griffin: Pegasos equino capite volucres et gryphas auritos aduncitate rostri fabulosos reor, illos in Scythia, hos in Aethiopia, Plin. 10, 49, 70, § 136; Mel. 2, 1, 1; Claud. VI. Cons. Hon. 30; Sid. Carm. 22, 66 and 67.
Prov.: Jungentur jam grypes equis, i. e. the impossible shall happen, Verg. E. 8, 27.