Where does “coruscans” come from?

coruscans (Latin) comes from Latin corusco, from Latin coruscum — nominative neuter singular of coruscus.

Ancestry of “coruscans”, step by step

Step	Language	Word	Meaning
1	Latin	corusco	I shake, brandish, wave, move about; I shake,...
2	Latin	coruscum	nominative neuter singular of coruscus

coruscans — Etymology, Origin & Word History | Etymology Explorer