Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĭnaures, ĭum, f. [in-auris], ear-drops, ear-rings, ornaments for the ear, Plaut. Men. 3, 3, 17; Plin. 9, 55, 81, § 172; 32, 2, 7, § 16; cf. Isid. Orig. 19, 31.