This is the 1562nd most frequent Polish word.
du
The Polish word "du" does not exist as a standalone word. It may be a typo or part of a longer word.
The word 'duży' in Polish modifies 'kubek' (mug) describing its size.
Wypiłem duży kubek herbaty.
I drank a large mug of tea.
The word 'duży' in this context conveys the size or intensity of 'szacunek' (respect).
Mam duży szacunek dla nauczycieli.
I have great respect for teachers.
Here, 'duży' modifies 'jajka' (eggs), with the ending changing to agree with the modifying word.