Akincanna-ceto-vimutti
From Dhamma Wiki
Ākiñcañña-ceto-vimutti: Possessionless or desireless mental release. The mental liberation coming from relinquishment of all acquisitions. The end stage of realizing Dukkha see: ceto-vimutti
References
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.