Ancient China enacted sumptuary regulations to curb excessive spending among the nobility.

sumptuary 来自拉丁语 sumptus（花费、支出），加上形容词后缀 -ary 构成。这个词专门用来描述"限制奢侈消费的"法律或规定，特指那些规范人们衣着、饮食、装饰等方面开支的法令。