appaṭivāṇa

non-obstruction, not hindering not opposing or contradicting AN.i.50; AN.iii.41; AN.v.93 sq. adj. Ja.i.326.

a + paṭivāṇa, for ˚vrāṇa, the guṇa-form of vṛ; cp. Sk. prativāraṇa