This is the 4698th most frequent Polish word.
natchnieniem
"Inspiration."
The word 'natchnienie' is used here to denote the inspiration taken from nature for creative purposes.
Twórcy filmu czerpali natchnienie z przyrody.
The filmmakers drew inspiration from nature.
In this context, 'natchnienie' refers to the motivating or influencing factor that her poems represent for young poets.
Jej wiersze są prawdziwym natchnieniem dla młodych poetów.
Her poems are a real inspiration for young poets.
Here, 'natchnieniem' is used to signify the role or example one wishes to set to encourage others.