This is the 5024th most frequent Polish word.
poszły
"Poszły" means "they went" in English.
Here, 'poszły' is used as the past tense of the verb 'pójść' (to go) and is feminine plural, indicating that the subjects (who went for the walk) are female and plural.
Poszły na spacer do parku.
They went for a walk to the park.
In this sentence, 'poszły' refers metaphorically to the money being spent or allocated for a purpose.
Pieniądze poszły na zakup sprzętu.
The money went towards purchasing equipment.
'Poszły' here denotes the plans being metaphorically 'going away' or becoming forgotten, showcasing its use in idiomatic expressions.