asampakampiya : [adj.] not to be shaken.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Asampakampiya (adj.) [grd. of a + sampakampeti] not to be shaken, not to be moved Sn 229 (= kampetuŋ vā cāletuŋ vā asakkuṇeyyo KhA 185).

Pali-English Dictionary, TW Rhys Davids, William Stede,