Prezydenckiego
Prezydenckiego is the genitive singular form of the Polish adjective prezydencki, meaning “presidential” or “relating to the president.” It is used when the adjective describes a masculine or neuter noun in genitive singular; feminine forms would be prezydenckiej. Like other adjectives ending in -cki, prezydencki declines according to standard Polish grammar.
In practice, prezydenckiego appears mainly in formal, political, or legal language to express association with the
Etymology: the form is built from the noun prezydent (president) plus the adjectival suffix -cki, following ordinary