Conduct observed as an exception- The provision made in the code of ascetic conduct, according to which the ascetic (Muni), under certain specific (exceptional) conditions, is permitted to follow such conduct which is exceptional to general rules.
biiyapada teṇa sāvaya, bhikkhe vā kāraṇe va āgāḍhe.
kajjuvahi magara chubbhaṇa, nāvodaga taṃ pi jatāṇāe...
(BṛBhā 5663)