sumptuary

1、sumpt- ( sumptus ) -> sumptu- + -ary.
2、同样是与消费有关，但是sumptuary和sumptuous所表示的含义确是不同的，要注意区别：sumptuary强调对消费的限制和节制，而sumptuous则强调的是消费的奢侈与豪华。

sumptuary 限制费用的，禁止奢侈的

来自拉丁语 sumptus,购买的，花销的，吃喝的，过去分词格于 sumere,购买，花销，缩写自 *sub-emere,来自 sub,向下，emere,买，词源同 assume,assumption,emption.-ary,形容词后缀。 后引申词义限制费用的，禁止奢侈的。

sumptuary (adj.)

"pertaining to expense," c. 1600, from Latin sumptuarius "relating to expenses," from sumptus "expense, cost," from sumere "to spend, consume" (see sumptuous).