Udayabbayanupassana-nana

Udayabbayānupassanā-ñāna: 'knowledge consisting in the contemplation of rise and fall', is the first of the 9 insight-knowledges constituting the purification by knowledge and vision of the path-progress'.

References

Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.