Proszę o ponowne doręczenie.

Here proszę is best understood as I request or I am asking for.

Polish proszę often gets translated as please, but that is not always the full story. In this sentence, it comes from the verb prosić (to ask/request) and literally means something like:

I request re-delivery.

So although English may translate it naturally as Please re-deliver it or I request re-delivery, the Polish grammar is built around asking/requesting.

Yes. The subject ja (I) is omitted.

Polish very often leaves out subject pronouns when the verb ending already shows who is doing the action. In proszę, the ending tells you it is first person singular:

• proszę = I ask / I request

So the full version would be:

Ja proszę o ponowne doręczenie.

But in normal Polish, ja is usually unnecessary unless you want emphasis.

Because prosić o is the standard pattern for to ask for / to request something.

So:

• prosić o pomoc = to ask for help
• prosić o informację = to ask for information
• prosić o ponowne doręczenie = to ask for re-delivery

You should learn prosić o as a set pattern.

It is in the accusative, because the preposition o after prosić takes the accusative.

So in this sentence:

• o
  • accusative

However, doręczenie is a neuter singular noun, and for many neuter nouns the nominative and accusative look the same. That is why doręczenie does not visibly change here.

The adjective ponowne also agrees with it and has the same form in neuter singular nominative and accusative.

No, doręczenie is a noun, not a finite verb.

It is a verbal noun formed from the verb doręczyć (to deliver, to serve, to hand over formally). So:

• doręczyć = to deliver
• doręczenie = delivery / delivering

This is why the sentence sounds more formal and administrative. Instead of saying please deliver again with a verb, Polish uses a noun phrase:

request for repeated delivery

That kind of structure is very common in official language.

Because ponowne is an adjective, while ponownie is an adverb.

Here it modifies the noun doręczenie, so you need an adjective:

• ponowne doręczenie = repeated/re-delivery

Compare:

• Proszę o ponowne doręczenie.
  Here ponowne describes the noun doręczenie.

• Proszę doręczyć ponownie.
  Here ponownie describes the verb doręczyć.

So the choice depends on whether you are modifying a noun or a verb.

Yes, it is quite formal and sounds especially natural in written, official, customer-service, postal, or legal contexts.

It fits situations like:

• a missed parcel delivery
• a document that must be served again
• a message to a company, courier, office, or institution

It sounds less like everyday spoken conversation and more like an official request.

In casual speech, people might say something more direct or conversational depending on context.

Grammatically, you can say something like that, but it has a different feel.

• Proszę o ponowne doręczenie.
  Formal, nominal, administrative.
  Literally: I request re-delivery.

• Proszę ponownie doręczyć.
  More direct, more verb-based.
  Literally: Please deliver again.

The first version is especially natural in emails, forms, complaints, and official correspondence. The second sounds more like you are directly telling someone to do the action.

Also, the second version often wants an object in context, for example what exactly should be delivered again.

The given order is the most natural and standard one.

Proszę o ponowne doręczenie sounds neutral and idiomatic.

Polish word order is flexible, but in a formal request like this, changing the order would usually sound marked, unnatural, or less standard unless there is a special emphasis.

So for learning purposes, treat this as the normal fixed phrase.

Both relate to delivery, but doręczenie is often more formal and more specific.

Very roughly:

• dostarczenie = delivery / bringing something to someone
• doręczenie = delivery / formal handing over / official service

Doręczenie is especially common for:

• parcels
• letters
• official documents
• legal or administrative delivery

So in an official request, doręczenie is often the more natural choice.

A simple approximate pronunciation is:

PRO-sheh o po-NOV-neh do-ren-CHE-nyeh

A few useful notes:

• sz sounds like English sh
• cz sounds like English ch
• ę is a nasal vowel, but before some consonants in normal speech it may sound closer to en/em-type nasalization
• Polish stress is usually on the second-to-last syllable

So the stress falls on:

• PRO-szę
• po-NOW-ne
• do-rę-CZE-nie

You do not need to pronounce ę exactly like any English sound; getting the stress and consonants right matters more at first.