Usage: 3 forms in 5 verses
Form Translated As     In Verse(s)
εκλείψει In want LXX.Zeph.1.2
a wanting LXX.Prov.14.28
want LXX.Deut.28.48
έκλειψισ an end LXX.Isa.17.4
έκλειψιν want LXX.Ezek.5.16

Liddell-Scott-Jones

ἔκλειψις (ekleipsis) end G:N-F

ἔκλειψις, εως, ,

(ἐκλείπω) abandonment, νεῶν, πολίων, [Refs 5th c.BC+]

__II (from intransitive) of Sun or Moon, eclipse, ἡλίου ἐκλείψεις [Refs 5th c.BC+]; . τελεία, μερική, [Refs 2nd c.BC+]
__II.2 failing, cessation, τῶν δυνάμεων [Refs 2nd c.AD+]; extinction of a race, [Refs 1st c.BC+]
__II.3 defect, omission, [Refs]
__II.4 in Law, failing to appear in court, [Refs]
__II.5 ἔκλειψις χορίου retention of the afterbirth, [Refs 7th c.AD+]