当

当(dāng)(used in a question for emphasis) 　“(how, what, who, where) on earth”　Cf. 为(wéi);

not found at HD. 7.1386.; not found at DK. 7.1127.; Krsh(1998) , s.v.;

21a10.我等亦如是　毎惟小乘过　不知当云何　得佛无上慧(v)

≠ K. 147.10.labhāmahe(v.l. labhematha); ＝ O. .kathaṃ labhet; ＝ H5 (298).kathaṃ labhet; ＝ Tyomkin 1996 : 6.kathaṃ labhet; ＝ Wi(Turf.). 141.kathaṃ labhet; Z. 87a12.不得;