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The character "萆" is structured with the grass radical 艹 positioned above the component 卑, an arrangement that has defined its written form. Etymologically, it was used in early Chinese texts to signify a kind of grass or plant covering, but over centuries its meaning refined to specify certain plants, most notably in the compound "萆薢" which identifies a yam-like medicinal plant. This shift in semantic focus occurred without alteration to the character's compositional elements.
Etymology Hide
