行門(xíng mén)　“the entrance to the practices”　

not found at HD. 3.900.; DK. 10.148a(?);

75a23.斯諸比丘頓止行門，遵尚法律，度老、病、死，諮嗟泥洹(p)

K. 70.14-; not found at L. 12b5;