This is the 892nd most frequent Lithuanian word.
sienų
"Sienų" means "of walls" (genitive plural form of "siena").
Here, 'sienų' denotes the plural genitive case of 'siena', signifying ownership or association with the walls in question.
Jo paveikslai kabo ant sienų.
His paintings hang on the walls.
In this example, 'sienų' is used in the plural genitive case to indicate the objects (walls) that the action of painting is intended for.
Turiu gauti leidimą dažyti sienų.
I need to get permission to paint the walls.
Here, 'sienų' functions in the plural genitive case to describe the relationship or possession of the colors to the walls.