G0761–ἀσάλευτος–asaleutos

and having fallen into a place of two seas, they ran the ship aground, and the fore-part, indeed, having stuck fast, did remain immoveable, but the hinder-part was broken by the violence of the waves.

ἀσάλευτος, asaleutos “immovable,”

wherefore, a kingdom that cannot be shaken receiving, may we have grace, through which we may serve God well-pleasingly, with reverence and religious fear;

ἀσάλευτον asaleuton “not to be shaken”