一切經音義 63.174

63.174

戶鈕（下尼九反通俗文云門屈[王*戍]也廣雅作㺲說文云鈕印鼻也從金丑聲也）。

戶鈕 (door latch; the second character is pronounced 尼九反. The Tongsu wen states: “A door catch.” The Guangya writes it as 㺲. The Shuowen states: “Niu means the handle of a seal; it is derived from 'metal' (金) with chou as phonetic component.”)