iniquity. Hebrew. 'avah, App-44.
purged. covered. Hebrew. kaphar. to cover, and thus, here, atone. See note on Exodus 29:33. Not the same word as in Isaiah 1:25; Isaiah 4:4.
Related Commentaries of Isaiah 6:7
Isaiah 6:7
7 And he laid it upon my mouth, and said, Lo, this hath touched thy lips; and thine iniquity is taken away, and thy sin purged.