Dakle, ako kuma donese prsten, a kum stigne na vrijeme, možemo krenuti bez stresa.

This is a very common Croatian pattern.

After ako (if), Croatian often uses the present tense of a perfective verb to talk about a future completed action:

• ako kuma donese prsten = if the kuma brings the ring
• ako kum stigne na vrijeme = if the kum arrives on time

So even though the form looks present, the meaning is future: if/when that action happens.

This is especially natural with perfective verbs, because they focus on a completed result:

• donese = brings / has brought over
• stigne = arrives / manages to get there

English also uses the present after if:

• If she brings the ring...
• If he arrives on time...

So in this respect, Croatian and English are actually quite similar.

They are the masculine and feminine forms:

• kum = male sponsor/witness/godfather/best man, depending on context
• kuma = female sponsor/witness/godmother/maid of honor, depending on context

In South Slavic cultures, kum/kuma are culturally important roles. The exact English translation depends on the situation:

• at a wedding: often best man / maid of honor or wedding witness
• at a baptism: often godfather / godmother

So the words are broader than a single English equivalent.

Here they are both in the nominative singular, because each one is the subject of its clause:

• kuma donese prsten = the kuma brings the ring
• kum stigne na vrijeme = the kum arrives on time

So there is no special case trick here. They are just the normal dictionary forms used as subjects.

Because prsten is a masculine inanimate noun, and in Croatian the accusative singular of many masculine inanimate nouns is the same as the nominative singular.

So:

• nominative: prsten
• accusative: prsten

That is why:

• kuma donese prsten

has prsten as the direct object, even though its form does not change.

Compare that with masculine animate nouns, which often do change in the accusative.

Good question. A and i can both connect ideas, but they do not feel exactly the same.

• i = and, simple addition
• a = often and/but/while, linking two parallel or slightly contrasted pieces of information

In this sentence:

• ako kuma donese prsten, a kum stigne na vrijeme...

a helps separate the two conditions and gives them a slight contrast or parallel structure:

• one condition involves the kuma
• the other involves the kum

It sounds a bit like:

• if the kuma brings the ring, and if the kum arrives on time...

Using i would also be understandable in some contexts, but a sounds very natural when balancing two related clauses.

Dakle is a discourse word meaning something like:

• so
• therefore
• well then
• in that case

It helps connect this sentence to what came before. It does not change the grammar of the rest of the sentence; it just signals that the speaker is drawing a conclusion or moving things along.

So Dakle, ... often has a conversational function, similar to English:

• So, if...
• Right, if...
• Well then, if...

Na vrijeme is a fixed expression meaning:

• on time
• in time

So:

• stigne na vrijeme = arrives on time

You should learn na vrijeme as a set phrase. It is the normal idiomatic way to express punctuality in Croatian.

Because the preposition bez (without) requires the genitive case.

So:

• nominative: stres
• genitive: stresa

That gives:

• bez stresa = without stress

This is a very useful rule to remember:

• bez + genitive

Examples:

• bez šećera = without sugar
• bez problema = without problems
• bez vode = without water

Because Croatian often uses the present tense in a conditional setup like this when the future meaning is already clear from context.

• možemo krenuti literally = we can start / we are able to leave
• in this sentence it naturally means we can then set off

The earlier ako clauses already establish a future condition, so using present tense here sounds natural.

A more explicitly future version like moći ćemo krenuti is possible in some contexts, but it is often less natural or less concise here.

Krenuti means something like:

• to start off
• to set out
• to get going
• to leave

In this sentence, it suggests beginning the next step once the conditions are met.

It is slightly different from just ići (to go).
Krenuti emphasizes the start of movement or action.

So:

• možemo krenuti = we can get going / we can set off

Yes. In this sentence, both are perfective:

• donese < donijeti / donijeti-type perfective verb = to bring (successfully, as a completed act)
• stigne < stići = to arrive / make it

Perfective verbs matter because they present the action as a completed whole.

That fits the sentence perfectly:

• first, the kuma brings the ring
• then, the kum arrives
• as a result, we can leave

If you used imperfective verbs, the focus would shift more toward process or repeated/habitual action, which would sound different.

The commas separate clauses:

• Dakle,
• ako kuma donese prsten,
• a kum stigne na vrijeme,
• možemo krenuti bez stresa.

Croatian uses commas quite regularly to mark subordinate and coordinated clauses. Here they help show the structure clearly:

1. opening discourse marker: Dakle
2. first conditional clause: ako kuma donese prsten
3. second linked clause: a kum stigne na vrijeme
4. main clause: možemo krenuti bez stresa

Yes, Croatian word order is fairly flexible, though the original is very natural and neutral.

The given order is straightforward:

• Dakle, ako kuma donese prsten, a kum stigne na vrijeme, možemo krenuti bez stresa.

You can sometimes move elements for emphasis, for example:

• Dakle, možemo krenuti bez stresa ako kuma donese prsten, a kum stigne na vrijeme.

That still works, but the emphasis changes slightly. The original version feels very natural because it presents the two conditions first and the conclusion after them.

Because Croatian has no articles.

So:

• kuma can mean the kuma or a kuma
• kum can mean the kum or a kum
• prsten can mean the ring or a ring

Which meaning is intended depends on context. In this sentence, the situation probably makes it clear which people and which ring are meant.