Abbott-Smith Manual Greek Lexicon
κατα-κλυσμός (G2627)
4 κατα-κλυσμός , -οῦ, ὁ ( κατακλύζω ), [in LXX chiefly for מַבּוּל , Ge 6:17 , al.; also for שֶׁטֶף , Ps 31 (32):6 , al.;] a flood , deluge : Mt 24:38 , 39 , Lk 17:27 , II Pe 2:5 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain