zmieniajcych
Zmieniajcych (often written with diacritics as zmieniających) is the present active participle of the Polish verb zmieniać, meaning "changing" or "those who change." It functions as an adjective-like form derived from a verb, used to describe people or things involved in a change. In standard Polish, the participle declines like an adjective and agrees with the noun it modifies in gender, number, and case.
The base form is zmieniający (masculine singular nominative). Feminine singular is zmieniająca, neuter singular is zmieniające.
As a present active participle, zmieniajcych describes actors or states of ongoing change. It is found in
Polish grammar: present active participles (imiesłowy współczesne); zmieniać; imperfective vs. perfective aspect.
Note: The diacritic-free rendering zmieniajcych is less common in polished writing and is mainly a technical