Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕ-fervĕo, ēre, v. n., to boil or bubble up; to boil over.
Trop.: refervens falsum crimen in purissimam et castissimam vitam collatum statim concidit et exstinguitur, Cic. Rosc. Com. 6, 17.