探畅(tàn chàng) “investigates thoroughly”
not found at HD. 6.722.; not found at DK. 5.287.;
112c14.今我以(v.l. 已)受，信誓诚谛，探畅既往，断析此谊：“其唯如来”(p)
K. 312.7-; not found at L. 41c24;