Origin

This character combines fire (火) on the left with head or face (頁) on the right to show the feeling of mental distress. The "fire" represents the burning, agitated sensation of worry or irritation, while "head" points to where you experience these troubling thoughts. Together they paint a picture of your mind being inflamed by anxiety or annoyance, much like heat spreading through your body when you're upset or uncomfortable. The character essentially shows how trouble and worry can consume your thoughts and make you feel restless or ill at ease.