This is the 72nd most frequent Bulgarian word.
началото
The beginning.
Here, 'началото' is used to denote the start or the first part of the book.
В началото на книгата има интересно предисловие.
At the beginning of the book, there is an interesting preface.
'Началото' is used metaphorically to signify the start or inception of an endeavor, in this case, a journey.
Това е само началото на нашето пътешествие.
This is just the beginning of our journey.
In this sentence, 'началото' indicates the initial moments or days of a specified period—here, the start of the week.