Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† sandălĭum, ii, n. (plur. scanned sandālĭa, Albin. 2, 65), = σανδάλιον, a slipper, sandal, Turp. ap. Non. 427, 28; Ter. Eun. 5, 7, 4; Vulg. Judith, 10, 3