Turn ye unto him from whom the children of Israel have deeply revolted. Have deeply revolted "Have so deeply engaged in revolt" - All the ancient Versions read תעמיקו taamiku, in the second person, instead of העמיקו heemiku, they have deeply revolted, etc.
Related Commentaries of Isaiah 31:6
Isaiah 31:6
6 Turn ye unto him from whom the children of Israel have deeply revolted.