Liángzhǔ wénhuà de yùcóng shì zhùmíng de gǔdài lǐqì.
The jade cong, 玉琮, of the Liangzhu culture is a famous ancient ritual object.
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history
琮 is not a general modern word; it names a specific ancient jade artifact, square on the outside with a round bore, used to honor the earth. It appears mainly in archaeology, as in 玉琮. It joins the jade radical 王 with 宗 for the sound.
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Classical and specialist - found in archaeology and old ritual texts, not in everyday speech.
