noun, adverb
after breakfast
Refers to the time period following breakfast. Can be used as a noun or adverbially.
朝食後に散歩するのが日課です。
Taking a walk after breakfast is my daily routine.
朝食後、すぐに出かけましょう。
Let's leave right after breakfast.
Means 'before breakfast', the opposite time period.
Compound of 朝食 (breakfast) + 後 (after).