A type of transience;
that transient state which never becomes absolutely extinct, e.g., reincarnation.
uparamānityatā tu bhavocchedavadapāstagaticatuṣṭayaparibhramakriyākramaparyantavartinī pariprāptāvasthānaviśeṣarūpā, nātyantābhāvabhāvinīti.
(TaBhā 5.4 Vṛ)