Where does “oppgave” come from?

oppgave (Norwegian Bokmål) comes from Danish opgave, from German Aufgabe, from Middle High German ūfgābe.

oppgave (Norwegian Bokmål): a task

Definitions

Step	Language	Word	Meaning
1	Danish	opgave	task
2	German	Aufgabe	task, duty, job, chore, responsibility, business,...
3	Middle High German	ūfgābe	—

oppgave — Etymology, Origin & Word History | Etymology Explorer