Strong's H8586תַּעֲלוּל: caprice (as a fit coming on), i.e. vexation; concretely a tyrant KJV:babe, delusion.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 1627: עָלַלʿālal — act severely; busy, divert oneself; to practise practices; effect thoroughly, glean, overdo, maltreat, be saucy to, pain, impose; abuse, affect, defile, do, mock, practise, thoroughly, work