四分律行事鈔資持記 2.497

2.497

第三。（迦留陀夷因制前戒，便於女前欲心說麁語，故制。）名中。境業合稱。

The third [saṃghāvaśeṣa]. (Because the previous precept had been established, Udāyin then spoke coarse words with lustful intention before a woman; hence it was established.) In the title, the object and the action are jointly designated.