This is the 570th most frequent Hungarian word.
veszi
"Veszi" means "takes" in English.
The word 'vesz' in 'veszi' here uses the verb 'venni' in the third person singular to express the action of taking or buying something.
Ő egy könyvet vesz.
She/he is taking a book.
The word 'veszi' comes from 'venni' but here it is used figuratively to mean 'takes seriously' in the third person singular.
Komolyan veszi a munkáját.
She/he takes her/his work seriously.
The word 'veszik' (third person plural of 'venni') here is used to describe the act of assuming or taking responsibility, showing a broader range of its meanings.