This is the 4420th most frequent Polish word.
istotną
"Istotną" means "essential" or "significant" in English.
In this sentence, 'istotną' acts as an adjective modifying the noun 'kwestią', signifying its importance or essential nature.
Istotną kwestią jest odpowiedzialność za swoje czyny.
An essential issue is taking responsibility for one's actions.
Here, 'istotną' describes the type of help provided, emphasizing its significant impact in the context.
Była to istotną pomocą w trudnym okresie.
It was a significant help during a difficult time.
In this case, 'istotną' characterizes the skill as being crucial for the occupation, emphasizing its necessity.