- 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 (The Digitized Treasury of the French Language).