The bhūmi-the time-period, during which the attainment of liberation continues is Antakara-bhūmi,
Paryāyāntakarabhūmi is that Antakarabhūmi, which prevails during the time of Tīrthaṅkara (ford-founder), after his attainment of omniscience; for example, when two years had elapsed after the attainment of omniscience by arhat malli (the 19th Tīrthaṅkara), the ascetic belon-ging to her Tirtha (2) (fourfold religious order founded by the Tīrthaṅkara (ford-founder)) attained liberation-the sequence of attainment of liberation got started.
pariyāyaṃtakarabhūmīti paryāyaḥ-tīrthakarasya kevalitvakālastamāśrityāntakarabhūmiryā sā.
(jñā 1.8.233 Vṛ Pa 161)
See - Yugāntakarabhūmi.