tragacanthyoudaoicibaDictYouDict[tragacanth 词源字典]
"A white or reddish plant gum, used in the food, textile, and pharmaceutical industries", Late 16th century: from French tragacante, via Latin from Greek tragakantha 'goat's thorn', from tragos 'goat' (because it is browsed by goats) + akantha 'thorn' (referring to the shrub's spines).[tragacanth etymology, tragacanth origin, 英语词源]