Baretti: A dictionary of the English and Italian languages
Sfolgorá-re, v. n.
1. to shine, glitter, sparkle,2. to appear; v. a. 1. to hasten, expedite, accelerate;2. to dissipate, waste, ruin, consume, destroy; adj. Sfolgorá-nte.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
sfolgorare: to burst foorth as Fólgore, to lauish profusely.