nephrolithiasis (n.)youdaoicibaDictYouDict[nephrolithiasis 词源字典]
1837, probably from German, from nephro- + lithos "stone" (see litho-) + -iasis "pathological or morbid condition."[nephrolithiasis etymology, nephrolithiasis origin, 英语词源]
lithiasisyoudaoicibaDictYouDict
"The formation of stony concretions (calculi) in the body, most often in the gall bladder or urinary system", Mid 17th century: from medieval Latin, based on Greek lithos 'stone'.