Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ēdormisco, ĕre, v. inch. a. [edormio], to sleep out,to sleep off a debauch (perh. only in the foll. passages): crapulam, Plaut. Rud. 2, 7, 28:hocvilli, Ter. Ad. 5, 2, 11:unumsomnum, Plaut. Am. 2, 2, 65.