dē-fervĕo — Lewis & Short
dē-fervĕo, ēre,
I v. n., to boil thoroughly; of wine, to ferment completely, Plin. 14, 9, 11, § 85;
of lime and water,to effervesce, Vitr. 7, 2, 1.—
II Trop., to subside:
indignatio,Vulg. Esth. 2, 1.