Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
επικλύζων inundating LXX.Isa.66.12
επέκλυσε he inundated LXX.Deut.11.4

Liddell-Scott-Jones

ἐπικλύζω (epikluzō) to inundate G:V

ἐπικλύζω-κλύζω,

perfect -κέκλῠκα 4th c.BC: Aeschines Orator 3.173:—overflow, flood, ὅθι κύματ᾽ ἐπ᾽ ϊόνας (variant -όνος) κλύζεσκον 8th c.BC: Ilias Homerus Epicus “Illiad” 23.61 [Refs 2nd c.AD+]; ἐπέκλυζε τὸ πᾶν.. θάλασσα Anonymus “Oxy.” 1014.16; τοὺς χυμοὺς οἷον ἐπικλύζωκλύζοντας τὸ δέρμα, in blushing jaundice, []:—passive, to be overwhelmed, κύμασι variant in [Refs 4th c.BC+]

__2. metaphorically, deluge, swamp, πόλιν [Refs 5th c.BC+] —passive, ὑπὸ τῶν δυσπραγιῶν[Refs]ad Them.[Refs]
__3. sweep away in the flood, [ἐπικλύζωκέκλυκε τὴν δαπάνην">Refs] has merged, i.e. liquidated, the expenses, [Refs]
__4. passive, to be poured over, [Refs]
__II. intransitive, overflow, abound, [Refs 1st c.BC+]; τινί with a thing, [Refs]