Hāna-bhāgiya-sīla: -samādhi b h. b. paññā morality, concentration or understanding connected with decline. The other three stages are:thiti-bhāgiya-sīla etc. morality, etc. connected with a standstill; visesa-bhāgiya sīla etc.: morality, etc. connected with progress; nibbedha-bhāgiya sīla etc.: morality, etc. connected with penetration. Cf. A. IV, 179; VI. X, 71.
'Decline' hāna is to be understood with regard to the arising of opposing qualities, 'standstill' thiti with regard to the standstill of the corresponding attentiveness, 'progress' visesa with regard to higher excellency, 'penetration' nibbedha with regard to the arising of perception and reflection connected with the turning away from existence.
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.