Usage: 8 forms in 11 verses
Form Translated As     In Verse(s)
εξεκενώθη emptied out LXX.Ps.75.8
εξεκένωσε emptied out LXX.Gen.24.20
εξεκένωσασ emptied out LXX.Isa.51.17
εξεκένωσαν they emptied out LXX.2Chr.24.11
εκκενώσω I shall empty out LXX.Ezek.5.2LXX.Ezek.5.12
εκκενώσουσι they shall all empty out LXX.Ezek.30.11
they shall empty out LXX.Ezek.28.7
εκκενωθέν being emptied out LXX.Song.1.3
εκκενούτε Empty out LXX.Ps.137.7LXX.Ps.137.7

Liddell-Scott-Jones

ἐκκενόω (ekkenoō) to empty out G:V

ἐκκενόω,

poetry ἐκκεινόω, empty out, leave desolate, ἄστυ Σούσων ἐξεκείνωσεν [LXX+4th c.BC+]; clear out, οἴκημα [Refs 5th c.BC+]; . θυμὸν ἐς σχεδίαν γέροντος pour out one's spirit into [Refs 5th c.BC+]'s boat, i.e. give up the ghost, [Refs 3rd c.BC+]; . ἰούς to shoot all one's arrows, [Refs 1st c.AD+]:— passive, to be left desolate, στένει γαῖ᾽ Ἀσὶς ἐκκενουμένα [Refs 4th c.BC+]was exhausted, spun out, [Refs]

__2 unsheath, μάχαιραν [LXX]
__3 clear away, πέτρας [Refs]

LSJ Scripture Refs: LXX.Ps.136.7*LXX.Ezek.5.2