method of deciding on the expulsion of a bhikkhu, always in instr. ubbāhikāya “by means of a referendum”, the settlement of a dispute being laid in the hands of certain chosen brethren (see Vin Texts iii.49 sq. Vin.ii.95, Vin.ii.97, Vin.ii.305; Vin.v.139, Vin.v.197; AN.v.71; Mhvs.4, Mhvs.46.

orig. f. of ubbāhika, adj. fr. ubbāheti in abstr. use