IPA: /ˈsʌmp.tʃuː.əri/
KK: /ˈsʌmp.tʃuː.ɛr.i/
Relating to laws or rules that control personal spending, especially to prevent excessive luxury or extravagance.
The government introduced sumptuary laws to limit the amount people could spend on luxury items.
Sumptuary → It is formed from "sumptus" (meaning expenditure or expense) and the suffix "-ary" (meaning relating to). The word "sumptuary" refers to laws or regulations relating to expenditure, particularly in terms of luxury or personal spending.
Think of 'expenditure' ('sumptus') to remember that 'sumptuary' relates to spending or expenses.