O. Figure of speech Ecphonesis. App-6.
cover not. my blood. The reference is to the practice which remains to this day, based on Numbers 35:33.Leviticus 17:13. Job's desire is that the evidence of his sufferings may not be hidden.
Related Commentaries of Job 16:18
Job 16:18
18 O earth, cover not thou my blood, and let my cry have no place.