This is the 6697th most frequent Polish word.
dzienniku
"Dzienniku" is the locative or dative singular form of "dziennik," meaning "journal," "diary," or "newspaper" in English.
In this sentence, 'dzienniku' refers to a physical journal or diary where private thoughts and ideas can be noted.
Zapisałem moje przemyślenia w dzienniku.
I wrote down my thoughts in the journal.
Here, 'dzienniku' denotes a publication, specifically an official newspaper or bulletin.
W dzienniku umieszczono nowe ogłoszenia dotyczące spotkania.
In the official newspaper, new announcements about the meeting were published.
In this context, 'dzienniku' pertains to a class register, where participation, attendance, and grades are usually logged.