- Alternative form of
From Middle French gasteau, from Old French gastel, from Frankish *wastil, from Proto-Germanic *wastilaz, from Proto-Indo-European *wes- (“to eat; consume”). Compare Old English wist (“food; provision; feast”) and obsolete English wastel.
gâteau m (plural gâteaux)
- a sponge cake, i.e. a cake made with a chemical leavening agent (e.g. baking powder), making it light and airy (as opposed to a denser torte)
- (Louisiana) a cookie
- “gâteau”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.