This is the 7734th most frequent Polish word.
maksymiliana
"Maksymiliana" is the Polish feminine form of the name Maximilian.
In this sentence, 'Maksymiliana' is the accusative case of the proper noun 'Maksymilian', used as the direct object of the verb 'spotkaliśmy'.
Maksymiliana spotkaliśmy wczoraj w parku.
We met Maksymilian yesterday in the park.
Here, 'Maksymiliana' is used in the genitive case to indicate possession of the noun 'książka'.
To jest książka Maksymiliana.
This is Maksymilian's book.
In this example, 'Maksymilianem' is the instrumental case of the noun 'Maksymilian', used after the preposition 'z'.