This is the 635th most frequent Lithuanian word.
utenos
"Utenos" refers to something related to "Utena," a city or district in Lithuania.
This usage of 'Utenos' is a genitive case, indicating possession or association with Utena, which is a city name in Lithuania.
Aš keliaunu į Utenos miestą.
I am traveling to the city of Utena.
Here, 'Utenos' describes the association with Utena as an attributive genitive, indicating where the team is from or what it's associated with.
Utenos futbolo komanda laimėjo turnyrą.
The Utena football team won the tournament.
In this case, 'Utenos' specifies the origin of the beer, indicating it is from Utena.