noun, noun or participle which takes 'suru'
happiness; contentment
Archaic literary term for a state of peaceful, satisfied happiness, often with a nuance of having a full belly and no worries. Not used in everyday speech.
「鼓腹撃壌」という成語は、太平の世の民の幸せを表す。
The phrase 鼓腹撃壌 describes the happiness of people in a peaceful era.
幸福 is the standard modern word for happiness or well-being. 鼓腹 is an archaic, literary expression rarely encountered outside classical contexts.
From Chinese 鼓腹 (gǔfù), literally 'drum belly', an image of a full stomach and carefree contentment. The exact historical path into Japanese is uncertain.