also: アミューズブッシュ
noun
amuse-bouche; amuse-gueule
A small, complimentary appetizer served before a meal in fine dining. The French term is used directly in Japanese culinary contexts.
from French
シェフからのアミューズブーシュが最初に出された。
An amuse-bouche from the chef was served first.
アミューズ is a broader term for any small appetizer or amusement, while アミューズブーシュ specifically refers to the complimentary pre-meal bite in French cuisine.
Borrowed from French 'amuse-bouche' (literally 'mouth amuser'), a small complimentary appetizer. The variant アミューズブッシュ reflects the French pronunciation of 'bouche'.