Efektywnego
Efektywnego is the genitive singular form of the Polish adjective efektywny, which means effective or efficient. In Polish, adjectives are declined to agree with the gender, number and case of the noun they modify, and efektywny has several inflected forms. Efektywnego can appear in contexts requiring the masculine personal or neuter gender in the genitive or accusative case, as well as other constructions that require genitive.
Etymology and meaning: the adjective efektywny is formed from the noun efekt (effect) with the suffix -wny,
Usage: efektywny is common in business, science, and everyday speech to describe methods, processes, or tools
See also: efektywność, skuteczność, wydajność, efektywne zarządzanie.