Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† pȳtisso, āre, v. n., = πυτίζω, to spit or spirt out wine in tasting: pytissando modo mihi Quid vini absumpsit, Ter. Heaut. 3, 1, 48 Don.; cf. Diom. 417 P.