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Jyutping dou1 wu6
Pinyin dū hù

Definitions (Wiktionary)
  1. noun, archaic, historical
    governor of a protectorate (a type of regional government primarily established during the Han and Tang dynasties)
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

都護 [-护]

Jyutping
Pinyin dū hù

Definitions (CC-CEDICT)
  1. (old) highest administrative post in border areas
  2. governor of a march