四分律行事鈔資持記 3.77

3.77

三中。赭音者，赤土也。絣，此萌反，振繩墨也。

In the third [part], 'zhe' (赭) is pronounced 'zhe'; it means red earth. 'Beng' (絣) has the fanqie pronunciation ci-meng; it means snapping an inked marking line.