Persistence- One member of the Tripadī (the triplet of origination, cessation and persistence); the term which connotes the permanence of the real substance and which becomes the object of the Darśana (intuition-apprehension of generic attribute).
...atiādipāriṇāmikasvabhāvena vyayodayābhāvād dhruvati sthiribhavatīti dhruvaḥ. dhriwasya bhāvaḥ karma vā dhrauvyam. yathā mṛtpiṇḍaghaṭādyavasthāsu mṛdādyanvayaḥ.
(Sasi 5.30)
dhruvatīti dhruvaṃ-sās'vataṃ tadbhāvo dhrauvyaṃ-sthiratā....dravyāstikasya dhrauvyamattvayī sāmānyaṃśaḥ.
(TaBhā 5.29 Vṛ)
dhrauvyasya grāhakaṃ darśanam...
(Jaisidī 2.6 Vṛ)