About
The character 椐 is a phono-semantic compound used as a botanical term for a type of woody plant or small tree, sometimes identified in historical texts as a birch or similar deciduous species. Its structure combines the semantic radical 木 (wood/tree) on the left, indicating its category as a tree or timber, with the phonetic component 居 on the right, which gives the pronunciation "jū". As with many specialized botanical terms from classical literature, its exact biological identification has become obscure over time, and the character now functions primarily in historical or literary contexts rather than in modern botanical usage.
Etymology Hide
