Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

ĭaspis, ĭdis, f., = ἴασπις, a green-colored precious stone, jasper, Plin. 37, 8, 37, § 115; Mart. 5, 11, 1; 9, 60, 20: fulva, Verg. A. 4, 261.
As a term of endearment: vale (Maecenas), mel gentium, Cilniorum smaragde, iaspi figulorum, berylle Porsenae, Aug. ap. Macr. S. 2, 4, 12.
Hence,