Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
confertim, adv. [confertus, A. 2.], in a compact body, closely; in milit. lang., of marches, battles, etc. (very rare): sese recipere, Sall. J. 50, 5: et pugnant et cedunt, Liv. 31, 43, 3; 21, 8, 9 Weissenb. ad loc.