ismeretes
Ismeretes is a Hungarian adjective meaning well known, famous, or notable, referring to persons, facts, or phenomena that are generally recognized or widely acknowledged. It can function predicatively, as in Ismeretes, hogy..., meaning it is known that, or it can be used attributively to describe something or someone as widely known. In formal or scholarly writing, the phrase Ismeretes, hogy is a standard introductory formula for presenting a known fact or established result.
Etymology and nuance: the word is formed from the verb ismer (to know) with the suffix -etes,
Usage examples: Ismeretes tény, hogy a föld kering a napon. (It is a known fact that the