Extended Strong's Greek Lexicon (Abbott-Smith based)
ruin
Usage: κατα-στροφή, -ῆς, ἡ (καταστρέφω), [in LXX: Job.21:17, Pro.1:27 (אֵיד), al. ;] __1. overthrow: 2Pe.2:6 (WH, om.). __2. Metaphorical, subversion, upsetting (cf. καθαίρεσις, 2Co.13:10): 2Ti.2:14.† (AS)