一切經音義 81.361

81.361

樞關（上昌俞反考聲云戶扇轉處也廣雅樞本也易曰樞機制動之主也俗呼為門肘說文從木區聲也傳文從手非也音口鈎反）。

樞關 (The first character has the fanqie 昌俞. The Kaosheng says: “The pivot on which a door leaf turns.” The Guangya says: “樞 [shū] means origin or axis.” The Yijing says: “The pivot and mechanism are the masters of initiating motion.” It is popularly called the door-elbow. The Shuowen gives it with the radical 木 and phonetic 區. In the transmission it is written with 手, which is incorrect; it is pronounced 口鈎 fanqie).