This is the 12799th most frequent Polish word.
nikną
"Nikną" means "they vanish" or "they disappear."
The word 'nikną' is used to describe stars fading or disappearing from sight as the scene changes with sunrise.
Gwiazdy nikną na niebie, gdy wschodzi słońce.
Stars fade in the sky when the sun rises.
Here, 'nikną' refers to the gradual fading of the sounds of footsteps as the listener becomes distant from the source.
Echa kroków nikną w oddali, gdy oddalamy się coraz bardziej.
Echoes of footsteps fade away in the distance as we move farther away.
In this sentence, 'nikną' symbolizes the progressive diminishing or loss of clarity of personal memories over time.