This is the 17249th most frequent Polish word.
zajściu
"Zajściu" is the dative or locative form of "zajście," meaning "incident" or "occurrence."
The word 'zajście' is used to describe an occurrence or incident, typically an event causing disruption or requiring attention.
W wyniku zajścia na ulicy musieliśmy wezwać policję.
As a result of the incident on the street, we had to call the police.
Here, 'zajście' refers to an event or happening that has transpired, often with emotional impact.
Po całym zajściu wszyscy byli bardzo zdenerwowani.
After the whole incident, everyone was very upset.
In this sentence, 'zajście' is used metaphorically to describe the setting of the sun, indicating a transition or natural event.