noun
baked cookie; dry cake
A French-style baked cookie or biscuit, often crisp and dry. Used in patisserie contexts.
from French gâteaux secs
パリのパティスリーでガトーセックを買った。
I bought baked cookies at a patisserie in Paris.
Variant with interpunct, reflecting the French phrase gâteaux secs.
Borrowed from French 'gâteaux secs', literally 'dry cakes'.