anutpāda-jñāna: Knowledge of non-arising (of all defilements). In the case of the non-retrogressive type of arhatàasamaya-vimukta, aparihāna-dharman), the moment of the knowledge of exhaustion is immediately followed by the arising of this knowledge.

Sarvastivada Abhidharma, Sanskrit-English Glossary, by Bhikkhu KL Dhammajoti