appaṭivāṇīya

adjective not to be obstructed irresistible SN.i.212 (appld. to Nibbāna; Mrs. Rh. D Kindred S. p. 274 trsls. “that source from whence there is no turning back”), Thig.55.

grd. of a + paṭi + vṛ; cp. BSk. aprativāṇiḥ Divy.655; Mvu.iii.343