This is the 65th most frequent Lithuanian word.
kauno
"Kauno" means "of Kaunas" (possessive form relating to the city of Kaunas in Lithuania).
Here, 'Kauno' denotes the genitive case of 'Kaunas', implying possession or association, specifying 'the city of Kaunas'.
Kauno miestas yra labai gražus.
The city of Kaunas is very beautiful.
'Kauno' is used in its genitive form to describe the origin or relatedness of the architecture to the city of Kaunas.
Šis paveikslas primena Kauno architektūrą.
This painting resembles the architecture of Kaunas.
Here 'Kauno' again is in genitive case indicating association or possession related to 'universities' in Kaunas.