This is the 8874th most frequent Polish word.
sardynię
"Sardynię" is the accusative form of "Sardynia," meaning "Sardinia," an island in Italy.
Here, 'sardynię' is used in the accusative case as the object of the verb 'kupiłem' (I bought), indicating what was purchased.
Kupiłem w sklepie świeżą sardynię.
I bought a fresh sardine at the store.
In this sentence, 'sardynię' is also in the accusative case, serving as the direct object of the verb 'zjadłem' (I ate) to express what was consumed.
Wczoraj na obiad zjadłem pyszną sardynię.
Yesterday I ate a tasty sardine for dinner.
Here, 'sardynię' represents the item of focus, used in accusative after 'miesza się' (is mixed) indicating what is being mixed.