porphyria (n.)youdaoicibaDictYouDict[porphyria 词源字典]
metabolic disorder, 1923, from porphyrin (1910), the name of the type of chemical which, in imbalance, causes it, from German porphyrin, chemical name, from Greek porphyros "purple" (see purple) + -in (2). Some of the compounds are purple.[porphyria etymology, porphyria origin, 英语词源]