Dictionary Definition:
Abbhāna (nt.) [abhi + āyana of ā + yā (i)] coming back, rehabilitation of a bhikkhu who has undergone a penance for an expiable offence Vin i.49 (˚âraha), 53 (id.), 143, 327; ii.33, 40, 162; A i.99. -- Cp. abbheti.