IPA: /ˈhɑːrt.sɔːr/
KK: /ˈhɑrtsɔr/
Feeling deep sadness or emotional pain, often due to love or loss.
After the breakup, she felt heartsore for weeks.
Heartsore is formed from "heart" (from Old English "heorte", meaning the organ that pumps blood and also symbolizes emotion) and "sore" (from Old English "sār", meaning painful or distressing). The word "heartsore" describes a deep emotional pain or distress, often related to love or loss.
Think of the 'heart' as the center of emotions and 'sore' meaning painful — together, they remind you that heartsore refers to emotional pain.