This is the 87th most frequent Spanish word.
euros
The currency used in many European countries.
This sentence uses 'euros' as the plural form of the currency unit to indicate possession or availability.
Tengo veinte euros en mi billetera.
I have twenty euros in my wallet.
Here, 'euros' represents the amount of money needed to purchase something.
El libro cuesta cincuenta euros en la tienda local.
The book costs fifty euros at the local store.
In this case, 'euros' refers to the target currency in a currency exchange context.