Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
caecūtĭo, īre (no perf.), v. n. [from caecus, like balbutio from balbus], to be blind, to see badly (ante- and post-class.), Varr. ap. Non. p. 35, 4: omnes quodammodo caecutimus, App. Flor. n. 2: utrum oculi mihi caecutiunt, Varr. ap. Non. p. 86, 12; Mart. Cap. 1, § 3.