马王堆汉墓帛书《式法》中有“张(长)室”一词,我们以前曾推测其构成形式可能与“正室”相类,并将其理解为“宗子”或“適(嫡)子”。本文引述古书有关“当室”的记载,对“长室”的来历作了新的推测,认为“张(长)室”可能与“当室”一样是指管理或主持家事之人,其含义应与“当室”、“宗子”、“適(嫡)子”或“门子”等相近。 In the “Method” of the Mawangdui and Han tomb silk book, there is the word “Zhang (长) 室”, which we have previously speculated that its constituent form may be similar to “正 室” and be interpreted as “宗 子” Or “fit (嫡) child ”. This article quotes the ancient books about the “room” records, made a new speculation about the origin of “long room”, that “Zhang (long) room” may be the same as Or family members, the meaning should be similar to “room ”, “child ”, “child () or ”