This is the 140th most frequent Lithuanian word.
skyriaus
"Skyriaus" means "department," "section," or "chapter" in English, depending on context.
Here, 'skyriaus' is used in the genitive case to indicate possession (the title of the chapter).
Knygos skyriaus pavadinimas buvo įdomus.
The book chapter's title was interesting.
'Skyriuje' (modified form of 'skyrius') indicates location (in the department).
Aš dirbu buhalterijos skyriuje.
I work in the accounting department.
Here, 'skyriaus' is used in the genitive case to indicate possession (the issues of the department).