quword 趣词
Word Origins Dictionary
- ricin (n.)[ricin 词源字典]
- poison obtained from the castor-oil bean, 1888, from ricinus, genus name of the castor-oil plant (1694), from Latin ricinus (Pliny), of uncertain origin, perhaps the same word as ricinus "tick" (in sheep, dogs, etc.).[ricin etymology, ricin origin, 英语词源]