sainfoinyoudaoicibaDictYouDict[sainfoin 词源字典]
"A pink-flowered plant of the pea family, which is native to Asia and grown widely for fodder", Mid 17th century: from obsolete French saintfoin, from modern Latin sanum foenum 'wholesome hay' (with reference to its medicinal properties).[sainfoin etymology, sainfoin origin, 英语词源]