This is the 45th most frequent Estonian word.
eurot
The word "eurot" is the partitive plural form of "euro," meaning "euros" in Estonian.
Here 'eurot' is in the partitive case to indicate giving an amount of money.
Ma andsin talle viiskümmend eurot.
I gave him fifty euros.
In this sentence, 'eurot' is in the partitive case, commonly used for unspecified amounts or instances of found objects.
Ta leidis teel kümme eurot.
He found ten euros on the road.
The word 'eurot' is in the partitive case because it indicates a required amount.