Wymiana ubrań zaczyna się dziś.

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Breakdown of Wymiana ubrań zaczyna się dziś.

• zaczynać się: to start
• wymiana ubrań: a clothes swap

Questions & Answers about Wymiana ubrań zaczyna się dziś.

Why is it wymiana ubrań and not wymiana ubrania or wymiana ubrańa?

Because wymiana (exchange) is followed by a noun in the genitive case.

• ubrania is the nominative plural form: clothes
• ubrań is the genitive plural form: of clothes

So wymiana ubrań literally means exchange of clothes.

A lot of Polish nouns derived from actions, like wymiana (exchange), sprzedaż (sale), naprawa (repair), often take the thing involved in the genitive:

• wymiana walut = exchange of currencies
• naprawa samochodu = repair of a car
• sprzedaż biletów = sale of tickets

ubrania would not work here because it is the wrong case.

What exactly does wymiana mean here?

Wymiana means exchange or swapping.

In this sentence, it most naturally refers to an event or activity where people exchange clothes, like a clothes swap.

It comes from the verb wymieniać / wymienić, meaning to exchange or to swap.

So:

• wymiana ubrań = clothes exchange / clothing swap