A macro-time-unit;
the time which lapses in a complete cycle of appropriation of all Pudgalas (physical substances) in the form of body, mind, speech and respiration by a Jīva (soul).
(UCū p. 189)
yadaudārika-vaikriya-taijasa-bhāṣānāpānamnaḥkārmasaptakena saṃsārodaravivaravartnaḥ pudgalāḥ ātmasātpariṇāmitā bhavanti tadā pudgalaparāvartta iti.(Ā 1.48 Vṛ Pa 116)