Lexical Definition

‎πλήμμυρα‎ plḗmmyra (plame-moo'-rah) flood ^G:N-F
prolonged from ‎πλήθω‎

flood.

• flood-tide, i.e. (by analogy) a freshet

Abbott-Smith

† πλήμμυρα, -ης (for Att. -ας, v. Bl., § 7, 1) (< πλήθω), [in LXX: π. γένεσθαι, Jb 40:18 (23) (נָהָר עָשַׁק)*;]
a flood (of sea or river): Lk 6:48.†

Abbott-Smith References

Liddell-Scott-Jones

πλήμμυρα-α, ἡ,

={πλημυρίς}, flood-tide, flood, [NT+4th c.BC+]; inundation of the Nile, [Refs 3rd c.AD+]: metaphorically, λόγου [Refs 1st c.AD+]

__2 in Medicine texts, accumulation, excessive flow, Lycusap.[Refs 2nd c.AD+]

_{LSJ Scripture Refs: LXX.Job.40.18 ☩ Luke.6.48}