Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† Hĕautontīmōrūmĕnos, i, m., = Ἑαυτὸν τιμωρούμενος, The Self-tormentor, the title of a comedy of Terence, Ter. Heaut. prol. 5 (= Ipse se puniens, Cic. Tusc. 3, 27, 65).