Odakle dolazi ona hladna magla koja ujutro stoji iznad rijeke?

Odakle means from where or where ... from. It asks about the origin or source of something.

So:

• Odakle dolazi... ? = Where does ... come from?

A learner might compare it with:

• Gdje? = where? (location)
• Kamo? = where to? (destination)
• Odakle? = from where? (origin)

Here the speaker is asking about the source of the fog, not just where it is.

Yes, dolazi literally means comes or is coming, from the verb dolaziti = to come / to arrive.

In Croatian, just like in English, come from can be used for origin:

• Odakle dolazi magla? = Where does the fog come from?

So even though it literally uses come, the natural meaning is about where the fog originates.

Also, dolazi is:

• 3rd person singular
• present tense

because the subject is magla (fog), which is singular.

Ona here means that.

In Croatian, the word forms that can mean he / she / it can also function like demonstratives such as that, depending on context. Here ona is not the pronoun she. It is modifying magla:

• ona hladna magla = that cold fog

It points to a specific fog the speaker has in mind, often something visible or already known in context.

A learner might also notice that Croatian often uses:

• taj / ta / to for that
• but onaj / ona / ono can also give a sense like that over there or that particular one

In this sentence, ona helps make the noun phrase more specific.

Because they agree with magla, which is:

• feminine
• singular
• nominative

Croatian adjectives and demonstratives must agree with the noun they describe.

So:

• magla = feminine singular nominative
• hladna = feminine singular nominative
• ona = feminine singular nominative

That is why they all match.

Koja means which or that in a relative clause, and it must agree with the noun it refers to.

Here it refers to magla, which is feminine singular, so we get:

• magla → feminine singular
• koja → feminine singular

So:

• magla koja... = the fog that...

If the noun were masculine singular, you would expect koji instead.

This is a relative clause. It describes magla more closely.

Breakdown:

• magla = fog
• koja... = that / which...
• ujutro stoji iznad rijeke = stands above the river in the morning

So the structure is:

• ona hladna magla
• koja ujutro stoji iznad rijeke

Together:

• that cold fog that stands above the river in the morning

The relative clause tells you which fog the speaker means.

Yes. Croatian often uses stajati / stoji in situations where English would say:

• lies
• hangs
• sits
• is

With fog, smoke, mist, clouds, and similar things, stoji can suggest that something remains in one place or lingers there.

So:

• magla stoji iznad rijeke literally = the fog stands above the river
• natural English meaning = the fog hangs over the river or the fog sits over the river

This is a good example of how Croatian and English choose different verbs in natural descriptions.

Ujutro means in the morning.

It is commonly written as one word and functions like an adverbial time expression.

So:

• ujutro = in the morning

You will often see it in everyday Croatian:

• Vidimo se ujutro. = See you in the morning.
• Ujutro pijem kavu. = I drink coffee in the morning.

It is best learned as a fixed expression.

Iznad means above or over, and it normally takes the genitive case.

The basic noun is:

• rijeka = river

Its genitive singular form is:

• rijeke

So:

• iznad rijeke = above the river / over the river

This is why you do not see rijeka here. The preposition iznad requires a different case form.

Yes. Croatian word order is more flexible than English word order, because case endings show the grammatical relationships.

The given sentence is natural:

• Odakle dolazi ona hladna magla koja ujutro stoji iznad rijeke?

But Croatian can sometimes shift elements for emphasis, for example:

• Odakle dolazi ta hladna magla koja ujutro stoji iznad rijeke?
• Ona hladna magla koja ujutro stoji iznad rijeke odakle dolazi?

The second version is less neutral and more marked, but still understandable.

The original sentence sounds like a normal, neutral question.

Yes, ta hladna magla would also be possible.

Very roughly:

• ta often means that in a more neutral, everyday sense
• ona can feel a bit more like that one / that over there / that particular

In many contexts they can overlap. The exact nuance depends on the situation and the speaker's intention.

So both can work, but they may not feel exactly identical in tone.

A useful way is to split it into chunks:

• Odakle dolazi = Where does ... come from
• ona hladna magla = that cold fog
• koja ujutro stoji = that stands / hangs in the morning
• iznad rijeke = above the river

So the whole sentence is built like this:

• Where does
• that cold fog
• that stands above the river in the morning
• come from?

This kind of chunking is very helpful for long Croatian sentences, especially when a relative clause is involved.