FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

akatalutos ἀκατάλυτος — ak-at-al'-oo-tos — from 1 (as a negative particle) and a derivative of 2647; indissoluble, i.e. (figuratively) permanent:--endless.

see GREEK for 1

see GREEK for 2647