Rzutka ratownicza leży przy brzegu rzeki.

You are right that in Polish, adjectives usually come before the noun, for example duży dom = a big house.

But in some expressions, especially:

• technical terms,
• official names,
• fixed combinations,

the adjective can come after the noun.

So rzutka ratownicza is a set term meaning a specific kind of rescue device. Putting ratownicza after rzutka makes it sound more like a defined category or established name, not just any rescue-related throw thing.

In everyday Polish, adjective-after-noun is less common, so this word order stands out for a reason.

It is in the nominative singular.

You can tell because it is the subject of the sentence — the thing that lies somewhere.

Also, the forms match nominative feminine singular:

• rzutka — feminine singular nominative
• ratownicza — feminine singular nominative adjective agreeing with rzutka

The verb leży is singular, which also matches a singular subject.

Polish often uses verbs like leżeć when English would simply say is or is located.

So:

• leży literally means lies / is lying
• but in many contexts it just means is situated / is located

This is especially natural when talking about an object resting horizontally on a surface or being somewhere physically.

So Rzutka ratownicza leży przy brzegu rzeki sounds more natural than a literal is sentence.

Not always.

Its basic meaning is indeed to lie in the sense of resting in a lying position. But in real usage it can also mean:

• is located
• is situated
• is found

For places and objects, Polish often prefers verbs like:

• leżeć — lie
• stać — stand
• wisieć — hang

These often reflect how something is positioned, but they can also function more generally as location verbs.

Because the preposition przy requires the locative case.

So:

• dictionary form: brzeg
• after przy: przy brzegu

This is a very common thing to learn in Polish: many prepositions require a specific case.

For przy, use the locative:

• przy stole = by the table
• przy oknie = by the window
• przy brzegu = by the bank/shore

Because rzeki is in the genitive singular.

Here, brzeg rzeki means the bank of the river. In Polish, when one noun belongs to or is closely connected with another noun, the second noun is often put in the genitive.

So:

• rzeka = river
• brzeg rzeki = bank of the river

This is very similar to English of the river, except Polish usually expresses it by changing the noun ending instead of using a separate word like of.

There are two different case relationships here:

• przy

  • locative
  • przy brzegu = by the bank

• noun + dependent noun in genitive

  • brzeg rzeki = bank of the river

So in the full phrase:

• brzegu = locative singular, because of przy
• rzeki = genitive singular, because it depends on brzeg

This stacking of case patterns is very common in Polish.

Yes.

Brzeg can refer to:

• the bank of a river,
• the shore of a lake or sea,
• more generally an edge or side.

In this sentence, because of rzeki, it means the river bank.

So depending on context, English might translate it as:

• bank
• shore
• edge

Yes. Polish word order is more flexible than English.

For example, you could also say:

• Przy brzegu rzeki leży rzutka ratownicza.

This still means the same thing, but the focus changes a little:

• Rzutka ratownicza leży przy brzegu rzeki. → starts with the object
• Przy brzegu rzeki leży rzutka ratownicza. → starts with the location

Polish often moves elements around for emphasis, topic, or style, while the case endings keep the meaning clear.

A rough English-friendly guide would be:

rzutka ≈ ZHOOT-ka
ratownicza ≈ ra-tov-NEE-cha
leży ≈ LEH-zhih
przy ≈ pshih or pshy
brzegu ≈ BZHEH-goo
rzeki ≈ ZHEH-kee

A few useful sound notes:

• rz is usually like the s in measure or zh
• cz is like ch in church, but harder
• ż is also like zh
• y is not the English ee; it is a harder vowel

Also, Polish stress usually falls on the second-to-last syllable:

• rzutka ratownicza
• leży
• przy brzegu rzeki

Not exactly, though it is often translated that way.

Przy usually means:

• by
• next to
• at
• close to

It often suggests fairly close physical proximity.

If you want to say something more generally near, Polish might also use:

• blisko

So:

• przy brzegu rzeki = by the river bank / at the river bank
• blisko brzegu rzeki = near the river bank

Both can work, but przy often sounds a bit more directly attached to the place.

Here are the dictionary forms:

• rzutka → rzutka
• ratownicza → dictionary adjective form: ratowniczy
• leży → infinitive: leżeć
• przy → przy
• brzegu → dictionary form: brzeg
• rzeki → dictionary form: rzeka

This is useful because in Polish, many words change form depending on:

• case,
• number,
• gender,
• person.