scion
/ˈsaɪən/noun
1
- （〈美〉亦作cion）a young shoot or twig of a plant, especially one cut for grafting or rooting接穗。
2
- a descendant of a notable family or one with a long lineage（名门望族的）后裔：
he was the scion of a wealthy family.
他是富家子弟。
词源
Middle English:from Old French ciun 'shoot， twig'， of unknown origin.