noun, masculine/fø/plural: feux
fire; lighter, something to light a cigarette with; traffic light; headlights
“As-tu remarqué que tes cheveux sont en feu ?” — Have you noticed that your hair is on fire?
Inherited from Old French fu, from Latin focus (“hearth”), which in Late and Vulgar Latin replaced the Classical Latin ignis (“fire”). Not related to English fire or German Feuer.