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Jyutping ci3 sing3
Pinyin sì xìng

Definitions (Wiktionary)
  1. verb, historical, of an emperor
    to bestow a surname, usually the emperor's surname, to confer favour

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Jyutping ci3 sing3
Pinyin cì xìng

Definitions (CC-CEDICT)
  1. to bestow a surname (of emperor conferring favor on ethnic group)
Definitions (Wiktionary)
  1. verb, historical, of an emperor
    to bestow a surname, usually the emperor's surname, to confer favour