This is the 17910th most frequent Polish word.
łotewskiej
"Łotewskiej" means "Latvian" (adjective, feminine singular or genitive plural form).
In this sentence, 'łotewskiej' is used to describe the nationality or origin in reference to literature. It is in the genitive case, which is required by the verb 'studiuję' (I study).
Studiuję literaturę łotewską.
I study Latvian literature.
Here, 'łotewskiej' describes a family originating from or associated with Latvia. It takes on the accusative case, agreeing with the direct object 'rodzinę'.
Podczas wakacji odwiedziłem rodzinę łotewską.
During the holidays, I visited a Latvian family.
In this case, 'łotewskiej' specifies the ownership relationship to the newspaper, which is the 'Latvian newspaper'. It is used in the genitive case, aligning with the sentence's grammatical structure.