Ela pediu perdão.

Ela means she.

In Portuguese, subject pronouns are often omitted when the verb already makes the subject clear. So Ela pediu perdão and Pediu perdão can both be possible, depending on context.

Here, ela is included to make it explicit that the person is she.

Pediu is the preterite form of pedir for ele/ela/você.

So:

• eu pedi = I asked
• ele/ela pediu = he/she asked
• você pediu = you asked

The preterite is commonly used for a completed action in the past. So pediu shows that the action happened and was completed.

The infinitive is pedir, which usually means to ask for or to request.

In this sentence:

• pedir = to ask for
• pediu perdão = asked for forgiveness

Because pedir and perguntar are different verbs.

• pedir = to ask for, request
• perguntar = to ask a question

So if you ask for an object, favor, help, permission, or forgiveness, you normally use pedir.

Examples:

• Ela pediu ajuda. = She asked for help.
• Ela perguntou o nome dele. = She asked his name.

Perdão is a noun meaning forgiveness or pardon.

In Ela pediu perdão, it is the thing being asked for:

• pediu = asked for
• perdão = forgiveness

So grammatically, perdão is the direct object of pediu.

Portuguese often leaves out the article in expressions like this.

Pedir perdão is a very common fixed expression meaning to ask for forgiveness. Adding an article is usually unnecessary here.

So:

• Ela pediu perdão. = natural
• Ela pediu o perdão. = much less natural in most everyday contexts, unless you mean a very specific forgiveness already mentioned

Often, yes, but not exactly in all situations.

Pedir perdão literally means to ask for forgiveness. It can sound a little stronger or more emotionally direct than simply to apologize.

Compare:

• Ela pediu perdão. = She asked for forgiveness.
• Ela se desculpou. = She apologized.
• Ela pediu desculpas. = She apologized / She asked for pardon

All are possible, but pedir perdão can feel more serious, sincere, or dramatic depending on context.

Yes. By itself, pediu can refer to:

• ele = he
• ela = she
• você = you

That is because the same verb form is used for all three.

For example:

• Ela pediu perdão. = She asked for forgiveness.
• Você pediu perdão. = You asked for forgiveness.

In your sentence, there is no ambiguity because ela is stated.

Yes, absolutely.

Both are common, but they are not identical in tone:

• pedir desculpas = to apologize, to say sorry
• pedir perdão = to ask for forgiveness

Pedir desculpas is often more everyday and neutral. Pedir perdão can sound deeper, stronger, or more solemn.

Perdão ends in -ão, a very common Portuguese ending.

A rough pronunciation is:

• per-DOWN with a nasal sound at the end

More accurately in Brazilian Portuguese, ão is a nasal diphthong, not a normal English ow sound.

The tilde (~) over ã shows nasalization:

• ão
• irmão
• coração
• perdão

This is one of the most important pronunciation patterns in Portuguese.

That word order is not the normal neutral order.

The standard order is:

• Ela pediu perdão.

You can also omit the subject:

• Pediu perdão.

Putting ela at the end, as in Pediu perdão ela, would sound unusual unless you are using special emphasis or contrast, and even then native speakers would usually choose a different structure.

Yes.

You can expand the sentence in different ways:

• Ela pediu perdão à mãe. = She asked her mother for forgiveness.
• Ela pediu perdão pelo erro. = She asked forgiveness for the mistake.
• Ela pediu perdão ao amigo pelo que disse. = She asked her friend for forgiveness for what she said.

Useful patterns:

• pedir perdão a alguém = ask someone for forgiveness
• pedir perdão por algo = ask forgiveness for something

It is neutral and natural. It works in both spoken and written Portuguese.

However, pedir perdão can sound slightly more serious or elevated than pedir desculpas, depending on context.

So:

• Ela pediu desculpas. = more everyday
• Ela pediu perdão. = still common, but often more emotional or solemn