coruscate
To give off light; to reflect in flashes; to sparkle.
intransitive
Then He [Death himself] clapped spurs to his steed and it sprang into the air, sparks coruscating from its hooves.
To exhibit brilliant technique or style.
figuratively, intransitive
For truth and tenderness do more / Than coruscating metaphor.
Where it comes from
From Latin coruscātus, perfect passive participle of coruscō (“to flash, gleam”), see -ate (verb-forming suffix).
Adapted from the Wiktionary entry coruscate (CC BY-SA 4.0).