Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
com-bīno (conb-), no perf., ātum, 1, v. a. [bini], to unite, combine (late Lat.): combinat ζευγνὐει, συνάπτει, Gloss. Lat.; ζευγίζω combino, Gloss. Gr. Lat.; part. perf. combinatus, Aug. Conf. 8, 6; Sid. Ep. 9, 8.