From G1909 (epi, upon) and G2572 (kalupto, to cover). To cover over completely โ to veil, hide, or conceal something by placing a covering upon it. Used in Romans 4:7 quoting Psalm 32:1, where sins are 'covered' by God's forgiveness.
Paul's use of this word in Romans 4:7 is foundational to the doctrine of justification: 'Blessed are they whose iniquities are forgiven, and whose sins are covered.' The word epikalupto means more than ignoring sin โ it means a deliberate covering that removes sin from God's sight. This echoes the Old Testament kaphar (atonement/covering). The theological connection is stunning: what the blood of bulls and goats could only symbolically cover, the blood of Christ actually and permanently covers. God does not merely overlook sin; He covers it with the righteousness of Christ.