This is the 15269th most frequent Polish word.
siłownię
"Siłownię" means "gym" or "fitness center."
In this sentence, 'siłownię' is used in the accusative case as the object of the verb 'idę', indicating the destination the speaker is heading towards.
Idę dzisiaj na siłownię.
I'm going to the gym today.
Here, 'siłownię' is used in the accusative case as the object of the verb 'lubię', expressing enjoyment towards the gym.
Lubię siłownię, ponieważ mogę tam ćwiczyć.
I like the gym because I can exercise there.
In this context, 'siłownię' is used in the accusative case forming part of the prepositional phrase 'na siłownię', specifying the purpose or intended use of the bag.