Dictionary entry

πλήμμυρα

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

πλήμμυρα, -ης (for Att. -ας, v. Bl., § 7, 1)

(< πλήθω), [in LXX: π. γένεσθαι, Jb 40:18 (23) (נָהָרעָשַׁק)*;]

a flood (of sea or river): Lk 6:48.†