nacaratyoudaoicibaDictYouDict[nacarat 词源字典]
"A bright orange-red colour", Mid 18th century: from French, perhaps from Spanish and Portuguese nacarado 'orange-red in colour' (referring to the colour of the shell of the mollusc that yields mother-of-pearl), from nacar 'nacre'.[nacarat etymology, nacarat origin, 英语词源]