naplójának
Naplójának is a Hungarian word that translates to "his/her/its diary" or "his/her/its journal" in English. It is a possessive form derived from the noun "napló," meaning diary or journal. The suffix "-jának" indicates the third-person singular possessive, genitive case. This means the word refers to something belonging to a single, third-person subject, which could be male, female, or an inanimate object.
The word "naplójának" is used in sentences to indicate that the diary or journal belongs to someone
Hungarian grammar distinguishes between different possessive suffixes depending on the number of people or things possessed