This is the 13244th most frequent German word.
aufwenden
"Aufwenden": To expend, spend, or use (effort, time, or resources).
Here 'aufwenden' is used to indicate the expenditure of time or effort for completing a task.
Ich muss viel Zeit aufwenden, um dieses Projekt zu beenden.
I need to spend a lot of time to finish this project.
In this example, 'aufwenden' describes the act of using up one's resources, in this case energy, to accomplish something.
Für diese Aufgabe habe ich all meine Energie aufgewendet.
For this task, I have expended all my energy.
The verb 'aufwenden' here refers to the act of allocating or spending monetary resources to achieve a goal.