Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cuppēdĭa (cūp-), ae, f. [cuppes].
cuppēdĭum (cūp-), ii, n. [cuppes], a tidbit, Varr. L. L. 5, § 146 Müll.; mostly plur.: cuppēdĭa, ōrum, n. (a later form coppādĭa, ōrum, n., Apic. 5, 1; 7, 6; 8, 6), dainty dishes, tidbits, delicacies (anteand post-class.): nil moror cuppedia, Plaut. Stich. 5, 4, 32; cf. Paul. ex Fest. p. 48, 15 Müll.; cf. cuppes, II.