案牘 [－牍]

Jyutping on3 duk6
Pinyin àn dú

Definitions (Wiktionary)
  1. noun
    official correspondence
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）

案牘 [－牍]

Jyutping
Pinyin àn dú

Definitions (CC-CEDICT)
  1. official documents or correspondence