Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ommento (obm-), āre, v. n., to wait anywhere, Liv. Andron. ap. Fest. p. 190 Müll.; cf.: omentat, exspectat, dictum a mantando, id est diu manendo, Placid. p. 492.