I've attached a few informational sites below. The first is an overview on IED, and the second is one on DMDD, both of which have anger elements to them. DMDD is a more recent diagnostic category, which appears to have some relationship to anxiety and depression in adulthood.

https://childmind.org/guide/intermittent-explosive-disorder/

https://www.nimh.nih.gov/health/top...uptive-mood-dysregulation-disorder.shtml

...pronounced like the long vowel and first letter of the alphabet...