What did david mean when he said purge me with hyssop?

When David said "purge me with hyssop" in Psalm 51:7, he was expressing a desire for spiritual cleansing and redemption from sin. Hyssop, a plant used in ancient rituals for purification, symbolizes the need for inner renewal and forgiveness. David sought God's mercy to cleanse him deeply, reflecting his remorse and longing for a restored relationship with God. This plea highlights the importance of repentance and the desire for spiritual renewal in the face of wrongdoing.