This is the 13219th most frequent German word.
aufgesprungen
"Aufgesprungen" means "cracked open" or "burst open."
Here, 'aufgesprungen' describes something that suddenly opened or popped up due to some force, action, or reaction.
Der Deckel ist aufgesprungen, als der Dampf entwich.
The lid popped open when the steam escaped.
In this context, 'aufgesprungen' is used metaphorically to indicate an emotional or mental state being suddenly activated or uplifted.
Seine Hoffnung ist aufgesprungen, als er von der neuen Möglichkeit hörte.
His hope rekindled when he heard about the new opportunity.
In this usage, 'aufgesprungen' refers to the action of rising abruptly, typically as a reaction to an emotional impulse.