Yksi pyykkipoika katkesi, joten Laura ripusti mekon toiseen ripustimeen.

Finnish very often combines words into compounds. Pyykkipoika is a compound meaning clothespin / clothes peg.

Its parts are:

• pyykki = laundry
• poika = boy

So the literal parts look funny to an English speaker, but as a whole pyykkipoika is just the normal word for the object.

Primarily it means one. Finnish has no articles, so words like yksi can sometimes feel a bit article-like in translation, but it is still the numeral one.

Here yksi pyykkipoika katkesi suggests that one clothespin, perhaps out of several, broke. If you removed yksi, pyykkipoika katkesi could mean a clothespin broke or the clothespin broke, depending on context.

Because yksi behaves differently from numbers like kaksi, kolme, and so on.

• yksi pyykkipoika = one clothespin
• kaksi pyykkipoikaa = two clothespins

After numbers greater than one, Finnish usually uses the singular partitive for the noun. But yksi agrees with the noun more like an adjective does. Here the phrase is the subject, so it is in the nominative singular: yksi pyykkipoika.

Katkesi is the past tense of katketa, which means to break / snap in an intransitive sense.

So:

• katketa = to break, to snap, to become broken
• katkesi = broke, snapped

This is different from a transitive verb like katkaista, which means to break something. So pyykkipoika katkesi means the clothespin broke; it does not focus on who caused it.

Joten means so, therefore, or as a result.

It connects the two clauses like this:

• the clothespin broke
• so Laura hung the dress on another hanger

It is a very common way to express consequence.

Ripusti is the past tense of ripustaa, meaning to hang up something.

So:

• ripustaa = to hang up
• ripusti = hung up

In this sentence, both main actions are in the past:

• katkesi = broke
• ripusti = hung up

That is the normal Finnish past tense for narrating completed events.

Mekon is the total object form here. In an affirmative sentence, when the action is seen as complete and directed at the whole object, Finnish usually uses this form.

So:

• mekko = dress
• mekon = the whole dress as the object of a completed action

Laura hung up the dress as a complete item, so mekon is natural. A partitive form like mekkoa would suggest a different kind of meaning, such as an incomplete or ongoing action, and would not be the normal choice here.

It is the illative singular, which often expresses movement into or to something.

The basic noun is:

• ripustin = hanger

Its illative form is:

• ripustimeen = into/onto a hanger

And toiseen is the matching form of toinen, so the whole phrase means onto another hanger. English uses on, but Finnish often uses the illative in expressions like this.

Toinen can mean both second and another / the other. Context decides which meaning fits.

Here it does not mean second in a numbered sequence. It means Laura used a different hanger from the first one, so toiseen ripustimeen is understood as onto another hanger.

Finnish does not have articles like a/an/the. Instead, definiteness is understood from context or from other words.

In this sentence:

• mekon is understood as the dress from the situation
• toiseen ripustimeen means another hanger because toinen gives that meaning
• yksi pyykkipoika explicitly says one clothespin

So Finnish relies much more on context than English does.