fulgurar - to gleam, to flash, to fulgurateSpanish example: Los ojos del muchacho fulguraron de entusiasmo.
English example: The boy's eyes gleamed with enthusiasm.
Source: fulgurar - to gleam, to flash, to fulgurate (https://www.123teachme.com/spanish_feeds/word_of_the_day/2021/10/21)
Not often that I come across an entirely new word in English
fulgurate
/ˈfʌlɡjʊreɪt/
verb
verb: fulgurate; 3rd person present: fulgurates; past tense: fulgurated; past participle: fulgurated; gerund or present participle: fulgurating
1.
Medicine
destroy (small growths or areas of tissue) using diathermy.
"a high-frequency electric current is applied to fulgurate the biological tissue"
2.
literary
flash like lightning.
"the cut-glass chandeliers fulgurated"