This is the 893rd most frequent Polish word.
brzegu
"Brzegu" means "of the shore," "of the edge," or "of the bank" (genitive singular form of "brzeg").
In this context, 'brzegu' refers to the shore or edge of a body of water, highlighting its geographical aspect.
Idziemy wzdłuż brzegu morza.
We are walking along the shore of the sea.
Here, 'brzegu' denotes the edge of a physical object, specifically a table, meaning its limit or boundary.
Podaj mi książkę ze brzegu stołu.
Hand me the book from the edge of the table.
In this instance, 'brzegu' signifies the outer margin or side of a sheet of paper, emphasizing its outline.