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The character '铣', traditionally written as '銑', is structured with the metal radical '金' on the left and the phonetic component '先' on the right, indicating its pronunciation and semantic connection to metal. In early classical contexts, the term referred to a smooth or polished metal surface, but its meaning later narrowed to denote the mechanical process of milling, where material is removed from a workpiece using a rotating cutter. The simplified form '铣' retains the phonetic element '先' while substituting the traditional metal radical with its simplified counterpart '钅', thus continuing to reference metal-related activities.
Etymology Hide
