Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
spīcĭlĕgĭum, ii, n. [spica-lego], a gleaning, leasing of ears of corn after gathering (very rare): messi facta spicilegium venire oportet, Varr. R. R. 1, 53; id. L. L. 7, § 109 Müll.