rĕfervesco, fervi, 3, v. inch. n. [referveo],
to boil or bubble up : qui (sanguis) refervescere videretur sic, ut tota domus sanguine redundaret, Cic. Div. 1, 23, 46.
re-fervēscō —, —, ere, inch, to boil up, bubble over: (sanguis) refervescere videretur. ...
An Elementary Latin Dictionary