Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
calcĕŏlus, i, m. dim. [calceus], a small shoe, half-boot, ὑποδημάτιον (rare), *Cic. N. D. 1, 29, 82; Memmius ap. Serv. ad Verg. A. 4, 261; Scrib. Comp. 208.