A trait of the meditator engrossed in Śukladhyāna (pure meditation);
to remain absolutely fearless or unperturbed in the event of creation of Upsarga (trials and tribulations) made by Devas (gods).
'avvahe'tti devādikṛtopasargādijanitaṃ bhayaṃ calanaṃ vā vyathā tasyā abhāvo avyatham.
(Sthā 4.70 Vṛ Pa 181)