This is the 1308th most frequent German word.
passieren
"Passieren" means "to happen" or "to pass."
This usage of "passieren" refers to something occurring or taking place.
Was ist hier passiert?
What happened here?
Here, "passieren" means to pass or go through, often used in the context of crossing or moving past a location.
Du kannst passieren, wenn die Ampel grünes Licht zeigt.
You can pass when the traffic light shows green.
In this example, "passieren" is used to indicate letting something pass through or transit, often relating to a control point or checkpoint.