Unobserved nullity, cessation (of existence) the process of
which cannot be perceived; one of the three categories of
non-existence or cessation of existence (see nirūpa); for
the two others see pratisaṅkhyānirodha and ākāśa; Śaṅkara
on the Vedānta Sūtra ‘pratisaṃkhyāpratisaṃkhyānirodhāprāptira-
vicchedāt’: api ca vaināśikāḥ kalpayanti buddhibodhyaṃ trayā-
danyatsaṃskṛtaṃ kṣaṇikaṃ ceti . tadapi ca trayam . pratisaṃkhyāpratisaṃ-
khyānirodhāvākāśaṃ cetyācakṣate . trayamapi caitadavastu abhāva-
mātraṃ nirūpākhyamiti manyante . buddhipūrvakaḥ kila vināśo bhā-
vānāṃ pratisaṃkhyānirodho bhāṣyate . tadviparīto'pratisaṃkhyāni-
rodhaḥ . āvaraṇābhāvamātramākāśamiti &c. E. a neg. and
pratisaṅkhyānirodha.