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The character "窨" is structured with the radical "穴", indicating a cave or hollow, combined with "音", which primarily functions as a phonetic component. This construction etymologically relates to enclosed, subterranean spaces, leading to its early use denoting cellars or storage pits. Over time, its meaning extended to describe the process of infusing tea with floral scents through sealed storage in such environments, known as "窨制". In modern usage, it further appears in compounds like "窨井" for underground utility shafts, consistently reflecting its core association with covered, below-ground structures.
Etymology Hide
