זָהַם (za.ham)

The Hebrew verb zāham appears only once in the Old Testament, found in Job 31:16. In this specific instance, it describes a moral defilement or foulness resulting from mistreating the vulnerable. The context involves David’s (or rather Job’s) hypothetical confession of sin, where he declares that if he has caused any dependent to perish without food, his heart would be loathsome before God.

Lexical sources indicate that in the Piel stem, the word carries a causative sense, meaning to make something foul or to render oneself loathsome. It is not merely about physical dirtiness but implies a spiritual or ethical corruption that makes one repugnant to the divine gaze. The rarity of the term suggests it was used for emphasis, highlighting the severity of the moral failure.

This single usage underscores the biblical view that ethical conduct towards others directly affects one’s standing before God. To act unjustly is to become "foul" in a way that alienates the soul from its Creator. The word serves as a stark reminder that integrity is not optional but essential for maintaining a clean conscience and a right relationship with God.