Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
κατάκοπόν me exhausted LXX.Job.16.7
κατάκοποι exhausted LXX.Job.3.17

Liddell-Scott-Jones

κατάκοπος (katakopos) exhausted G:N-F

κατάκοπος-κοπος, ον,

very weary, κ. τῷ σώματι [LXX+1st c.BC+]

__II wearisome, tedious, [Refs 1st c.BC+]

LSJ Scripture Refs: LXX.Job.3.17