婆蹉
From Dharma Pearls Wiki
A transliteration of a personal name found in MA 146 (656a25 ff.) for *Vatsā[yana].
学研漢和大字典 (332c, 1282a) lists the early and late Middle Chinese pronunciations of 婆蹉 as bua-ts'a and p'o-ts'o.
The Pali parallel at MN 27 is Vacchāyana.