1.Comprehension and abandonment- To renounce the paraphernalia, passions etc. for the accomplishment of the sādhanā (spiritual practice).
parijñā-vivekaḥ.
(ĀBhā 1.9)
paṃcavihā pariṇṇā paṇṇattā, taṃ jahā-uvahipariṇṇā, uvassayapariṇṇā, kasāyapariṇṇā, jogapariṇṇā, bhattapānapariṇṇā.
(Sthā 5.123)
See - ]ñaparijñā,Pratyākhyānaparijñā.
2.A kind of Anaśana (life-long fasting) called Bhaktapratyākhyāna.
'parijñā' iti bhaktapratyākhyānam.
(BṛBhā 1283 Vṛ)