Kuharica nam je donijela toplu juhu i svježi kruh.

Because kuharica is the feminine form, meaning female cook.

• kuhar = a male cook / cook in the masculine form
• kuharica = a female cook

So the sentence tells you the person who brought the food was female.
Also, learners sometimes notice that kuharica can also mean cookbook, but in this sentence the meaning is clearly female cook.

Croatian normally does not use articles.

So where English says:

• the cook brought us the warm soup and the fresh bread
• or a cook brought us some warm soup and fresh bread

Croatian can simply say:

• Kuharica nam je donijela toplu juhu i svježi kruh.

Whether something is definite or indefinite is usually understood from context.

Nam means to us or for us.

It is the short clitic form of nama.

• nama = the full/stressed form
• nam = the short/unstressed form

In this sentence, nam is the indirect object:

• Kuharica nam je donijela... = The cook brought us...

English often just says brought us, but in Croatian this is marked with the dative case.

Croatian past tense is often formed with:

• a short form of to be
• plus a past participle

So here:

• je = has/is auxiliary, 3rd person singular
• donijela = past participle of donijeti (to bring)

Together:

• je donijela = brought / has brought

This is a normal Croatian past-tense pattern.

Because the past participle agrees with the subject in gender and number.

The subject is kuharica, which is:

• feminine
• singular

So the participle must also be feminine singular:

• masculine: donio
• feminine: donijela
• neuter: donijelo

That is why you get Kuharica ... je donijela.

Because nam and je are both clitics: short, unstressed words that usually go near the beginning of the sentence.

In Croatian, clitics typically come in the second-position area, after the first stressed element. So:

• Kuharica nam je donijela...

sounds natural and standard.

English learners often expect something more like Kuharica je nam..., but that is not the normal standard order here. Croatian word order is flexible, but clitics follow special placement rules.

Because juha is the direct object, and direct objects often go into the accusative case.

• nominative: juha = soup
• accusative: juhu

Since the cook brought the soup, soup is what was brought, so it takes the accusative:

• donijela juhu = brought soup

Because the adjective must agree with the noun in:

• gender
• number
• case

Here, juhu is:

• feminine
• singular
• accusative

So the adjective topla changes to the matching form toplu:

• nominative: topla juha
• accusative: toplu juhu

This is a standard adjective-noun agreement pattern in Croatian.

Because kruh is a masculine inanimate noun, and for many masculine inanimate nouns, the accusative singular is the same as the nominative singular.

So:

• nominative: kruh
• accusative: kruh

That is why it does not visibly change, even though it is also a direct object.

Because svježi agrees with kruh, not with juhu.

And kruh is:

• masculine
• singular
• accusative (same form as nominative because it is inanimate)

So the adjective takes the masculine singular form used here:

• svježi kruh

This is different from:

• toplu juhu

because juha is feminine, while kruh is masculine.

Learners may also notice that masculine adjective forms can look quite different from feminine ones. That is normal in Croatian.

The dictionary form is donijeti, meaning to bring.

So:

• donijeti = infinitive
• donijela = feminine singular past participle

When learning Croatian verbs, it is useful to identify both:

1. the infinitive form
2. the aspect of the verb

Here, the infinitive is donijeti.

Donijeti is a perfective verb.

That means it presents the action as a completed whole:

• donijela = she brought / she finished bringing

If you wanted an imperfective idea, Croatian would use a different verb, such as donositi.

Very roughly:

• donijeti = to bring, as a completed act
• donositi = to be bringing / to bring repeatedly / habitually

So this sentence describes one completed action: the cook brought the soup and bread.