English
fulminator
From fulminate + -or.
Formed from fulminate + -or
Proto-Indo-European *bʰel- ‘to shimmer, gleam, shine’
…
Latin fulmen ‘lightning that strikes or sets on fire’
Latin fulminō ‘to lighten, hurl or strike with lightning’
Latin fulminātus ‘about to be struck with lightning’
Middle English fulminaten
English fulminate
Today it means
noun One who fulminates, or criticizes intensely.
Language periods are conventional ranges, not dates for this word.
Etymograph / fulminator