Asaṅkuppa (adjective) [a + saṅkuppa, gerund of kup] not to be shaken; immovable; steady, safe (especially of Nibbāna) Snp 1149 (cf. Nidd II §106); Thag 649.
(ptp, ptp of na saṃkuppati) immovable; unshakeable; steady immovable; steady; lit. not to be shaken [lit.] not to be shaken Construction: na > a + saṃ + √kup + ya