This is the 6525th most frequent Swedish word.
mateo
"Mateo" is not a Swedish word; it is a given name of Spanish origin.
The word 'Mateo' is used as a proper noun to indicate the subject's name.
Mateo är min bästa vän.
Mateo is my best friend.
Here, 'Mateo' functions as a proper noun referring to the object of the action.
Jag träffade Mateo i parken igår.
I met Mateo in the park yesterday.
In this case, 'Mateo' is used as a proper noun denoting the receiver of the gift.