This is the 68th most frequent Estonian word.
aega
The Estonian word "aega" means "time" (in the partitive case).
In this sentence, "aega" is the partitive case of "aeg" (time), used to express an undefined amount of time needed.
Mul on vaja rohkem aega.
I need more time.
Here, "aega" in partitive case indicates if there is available time to dedicate to an activity.
Kas sul on aega mind aidata?
Do you have the time to help me?
In this instance, "aja" is the genitive case of "aeg," showing ownership or association.