What is the origin of the idiom "a lump in one's throat" and when to use it?

The exact origin of the idiom "a lump in one's throat" is uncertain, as it has been used in various forms and contexts throughout history. The expression likely emerged from the physical sensation that individuals experience when they are strongly affected emotionally. It can be used in conversations about touching moments, heartwarming gestures, tearful goodbyes, or when reminiscing about cherished memories. The phrase captures the feeling of being moved to the point of speechlessness or having difficulty expressing emotions due to the constriction or tightness felt in the throat.