Yea, thou turnest back the edge of his sword, And hast not made him to stand in the battle.

His sword is turned back; you have not been his support in the fight.

ημβλυνας μαλιστα το κοπτερον της ρομφαιας αυτου και δεν εστερεωσας αυτον εν τη μαχη·

Thou hast also turned the edge of his sword, and hast not made him to stand in the battle.