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Jyutping sau2 dou3 ci3
Pinyin shǒu dào cì

Definitions (Wiktionary)
  1. noun
    hangnail (protruding piece of nail tissue or skin near base of fingernail or toenail)
    (syn.) 裂䉔, 刺䉔, 拆䉔, 掌甲𱸐, 刺𱸐, 拆𱸐, 裂𱸐, 肉刺, 倒鱼鳞, 倒魚鱗, 倒刺, 掌甲䉔