dvā-daśa and -daśan, see below.
dvā-daśá mf(I/)n. the twelfth, [VS.]; [ŚBr.]; [Mn.]; [MBh.] &c. (du. the eleventh and twelfth, [Kāṭh.])
ifc. (f(A). ) forming 12 with (cf. aśva- add.)
consisting of 12, 12 fold, [RV.]; [ŚBr.]
increased by 12 [KātyŚr.]
dvā-daśá n. a collection or aggregate of 12 [ŚBr.]
dvā́-daśa for -daśan in comp.