Ella inventó el nombre.

Because Spanish often allows the subject pronoun to be omitted, but speakers can still include it when they want to:

• add emphasis
• make the subject clear
• create a contrast with someone else

So:

• Inventó el nombre. = She invented the name.
• Ella inventó el nombre. = She invented the name / It was she who invented the name.

Both are correct.

Yes. In fact, Inventó el nombre is very natural Spanish.

Spanish is a pro-drop language, which means subject pronouns like yo, tú, él, ella are often omitted because the verb form already tells you who the subject is.

Here, inventó clearly shows he/she/it invented, so ella is optional unless you want emphasis or clarity.

Inventó is the pretérito indefinido (often called the preterite in English teaching materials).

It is the 3rd person singular form of inventar:

• yo inventé = I invented
• tú inventaste = you invented
• él/ella/usted inventó = he/she/you invented

It refers to a completed action in the past: she invented it, and the action is finished.

The accent mark shows where the stress goes and also helps distinguish the form.

• inventó = she/he invented
• invento = I invent or invention (depending on context)

So the accent matters. In inventó, the stress falls on the last syllable: in-ven-TÓ.

It can mean either, depending on context.

With el nombre, it often sounds like:

• she invented the name
• she came up with the name
• she made up the name

In Spanish, inventar is used not only for real inventions, but also for things like:

• names
• stories
• excuses

So in many contexts, made up is a very natural translation.

Because nombre here refers to a specific name: the name.

• el nombre = the name
• un nombre = a name

Spanish uses articles very regularly, often more regularly than English. So if the meaning is the name, then el nombre is exactly what you would expect.

Yes, nombre is a masculine noun, so it takes el:

• el nombre

You usually have to learn noun gender with the noun itself. The ending -e does not reliably tell you whether a noun is masculine or feminine.

So it is best to learn it as a chunk:

• el nombre = the name

The basic order is:

Subject + Verb + Object

So:

• Ella = subject
• inventó = verb
• el nombre = direct object

This is the same basic order as in English:

• She invented the name.

Spanish word order is more flexible than English, but this version is the most straightforward and neutral.

Yes, but it changes the focus.

• Ella inventó el nombre. = neutral statement
• El nombre lo inventó ella. = She was the one who invented the name / It was her who invented the name

That version is more emphatic and often used to contrast her with someone else.

By itself, inventó can mean:

• he invented
• she invented
• you invented (formal singular: usted)

The verb form alone does not show gender. The word ella tells us the subject is she.

So:

• Ella inventó = she invented
• Él inventó = he invented
• Usted inventó = you invented (formal)

A simple pronunciation guide is:

EH-ya in-ben-TO el NOM-bre

A few useful notes:

• ll in ella is usually pronounced like y in many parts of Spain.
• v in inventó is pronounced much like b in Spanish.
• The accent in inventó shows that the stress is on the last syllable: -tó.
• nombre is stressed on the first syllable: NOM-bre.

So the rhythm is roughly:

EH-ya in-ben-TO el NOM-bre