noun, feminine/e.tɛ̃.sɛl/plural: étincelles
étincelle is feminine in French.
spark
“Une fumée épaisse chargée d’étincelles passait déjà sur le camp des Mexicains, vingt minutes encore et tout était dit pour eux.” — A thick smoke charged with sparks was already passing on the Mexicans' camp. Twenty minutes more, and everything was done for them.
Related: étinceler
Inherited from Old French estencele, from Vulgar Latin *stincilla, a metathesis of Latin scintilla.