Also, in "Genji monogatari ganmon" written by Seikaku and "Hikaru Genji monogatari honji" written by Ryogo, the title of this chapter is Ubasoku Buddhist, which suggests that it was a quite dominant other name for the chapter during the end of the Heian period.
聖覚の『源氏物語願文』や了悟の『光源氏物語本事』も本帖を優婆塞としており、平安時代末期にはかなり有力な異名であったと見られる。