Definition of "sumptuary"
sumptuary
/ˈsʌm(p)t͡ʃʊəɹi/
adjective
comparative more sumptuary, superlative most sumptuary
(law, historical)
Chiefly in sumptuary law: of a law, regulation, etc.: intended to limit or restrain the expenditure of citizens in apparel, food, furniture, etc., or to forbid the use of certain articles (especially luxurious ones), to regulate the prices of commodities and the wages of labour, or to reinforce morals or social hierarchies.