名詞 rootage:

1. fixedness by or as if by roots
2. a developed system of roots
   同義詞：root system
3. the place where something begins, where it springs into being
   同義詞：beginning, origin, root, source

root.age

n.（名詞）
A system or growth of roots.
根部生根：根系或根的生長
Establishment by or as if by roots.
根深蒂固：像根一樣鞏固