This is the 146th most frequent Slovenian word.
začetku
"Začetku" means "beginning" or "start" in English.
The word 'začetku' is used in the locative case, indicating the 'beginning' of an event or period, in this case, 'day'.
Na začetku dneva je bila megla.
At the beginning of the day, there was fog.
Here, 'začetku' again in the locative case, refers to the 'beginning' of a specific activity, the project.
Začetku projekta smo pristopili skrbno.
We approached the beginning of the project carefully.
The term 'začetku' signifies the time marking the onset of another period, showing focus on initiating time frame of the night.