Where does “réchaud” come from?

réchaud (French) comes from French réchauffer, from Old French reschauffer — to warm up; to heat up.

réchaud (French): stove; burner

Definitions

Step	Language	Word	Meaning
1	French	réchauffer	reheat; heat up
2	Old French	reschauffer	to warm up; to heat up

réchaud — Etymology, Origin & Word History | Etymology Explorer