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Jyutping saam1 mei6 zat6 lai4 saan2
Pinyin sān wèi jí lí sǎn

Definitions (Wiktionary)
  1. noun
    A greyish-yellow powder used in traditional Mongolian medicine "to remove damp-heat and induce diuresis in the treatment of the downward flow of damp-heat, and a painful burning sensation during urination".