四分律行事鈔資持記 2.857

2.857

二十七。（佛在舍衛，毘舍佉母施浴衣，為佛所贊，六群常求，故制。）名中。求用有限，二並預前，俱名過也。

Twenty-seven. (The Buddha was in Śrāvastī. Viśākhā's mother offered bathing cloths, which was praised by the Buddha; the group-of-six constantly sought them, so it was prohibited.) Regarding the title: seeking and using both have their limits; if both are done prematurely, both are called 'excess'.