This is the 13485th most frequent Polish word.
paść
"Paść" means "to fall" or "to graze," depending on context.
Here, 'paść' is used in its past tense to mean 'fell', referring to an animal falling or dying.
Owca padła na pastwisku.
The sheep fell in the pasture.
In this sentence, 'paść' is used to mean 'to graze', specifically as an action of leading animals to graze.
Idź paść krowy na łąkę.
Go to graze the cows on the meadow.
Here, 'padł' is figuratively used to mean 'crashed', referring to a system or machine stopping to function.