About
As a phono-semantic compound, 筅 uses the bamboo radical 竹 (zhú) at the top to indicate its material, with 先 (xiān, "first") at the bottom serving as the phonetic component. Historically, it denoted a specific type of finely split bamboo brush or whisk, particularly the tool used for frothing powdered tea in traditional ceremonies and for general pot-cleaning. Throughout its history, the character’s meaning has remained focused on this functional bamboo implement, with no extension into abstract or metaphorical uses.