This is the 12008th most frequent Polish word.
legalnym
"Legalnym" means "legal" or "lawful" in English.
Here, 'legalnym' is used as an adjective to describe the document as lawful or legitimate.
Ten dokument został zatwierdzony jako legalnym.
This document has been approved as legitimate.
In this sentence, 'legalnym' functions as an adjective describing the noun 'entrepreneur' to signify legality.
Bycie legalnym przedsiębiorcą wymaga spełnienia wielu wymogów.
Being a legitimate entrepreneur requires fulfilling many requirements.
Here, 'legalnym' is used to qualify 'purchase' as legal or legitimate.