Vol pintar un dibuix de la meva àvia i de la seva cosina.

Vol is the 3rd person singular form of voler = to want.

So vol pintar means he/she wants to paint.

Catalan often leaves out the subject pronoun when it is clear from the verb form, so:

• Vol pintar = He/She wants to paint

By itself, vol does not tell you whether the person is he, she, or even sometimes you in a very formal sense. You need context for that.

Catalan is a pro-drop language, like Spanish or Italian. That means subject pronouns are often omitted because the verb ending already gives enough information.

So instead of saying:

• Ell vol pintar... = He wants to paint...
• Ella vol pintar... = She wants to paint...

Catalan very naturally just says:

• Vol pintar...

Including ell or ella is usually only done for emphasis, contrast, or clarity.

Yes, dibuix usually means drawing.

So literally, pintar un dibuix is something like to paint/color a drawing. Depending on context, it can sound a little unusual in English if translated word-for-word.

A learner might expect:

• fer un dibuix = to make/draw a picture
• pintar un quadre = to paint a painting
• pintar un dibuix = to paint/color in a drawing

So this sentence suggests the person wants to paint or color a drawing of the grandmother and her cousin, rather than necessarily create a painting from scratch.

Here de means of.

So:

• un dibuix de la meva àvia = a drawing of my grandmother
• un dibuix de la meva àvia i de la seva cosina = a drawing of my grandmother and her cousin

In Catalan, de is very commonly used where English uses of.

The repeated de helps structure the sentence clearly:

• de la meva àvia i de la seva cosina

This is very natural Catalan. It makes it clear that both noun phrases depend on un dibuix de...

Without repeating it, the sentence might still be understandable in some contexts, but repeating de sounds clearer and more balanced.

Compare:

• un dibuix de la meva àvia i de la seva cosina = clearly a drawing of my grandmother and of her cousin

Catalan normally uses the definite article with possessives:

• la meva àvia = my grandmother
• la seva cosina = her cousin / his cousin

This is different from English, where we usually do not say the my grandmother.

So in Catalan, the pattern is often:

• article + possessive + noun

Examples:

• el meu pare = my father
• la meva germana = my sister
• els seus amics = his/her/their friends

They agree with the noun possessed, not with the person who owns it.

Here:

• àvia is feminine singular, so: meva
• cosina is feminine singular, so: seva

That is why you get:

• la meva àvia
• la seva cosina

Compare:

• el meu avi = my grandfather
• la meva àvia = my grandmother
• el seu cosí = his/her cousin (male cousin)
• la seva cosina = his/her cousin (female cousin)

This is a very good question, because seva can be ambiguous.

It could mean:

• his cousin
• her cousin
• sometimes its cousin, depending on context

In this sentence, context usually decides who seva refers to. Very often, a reader may understand it as referring to the same person already being talked about, but grammatically it can still be unclear without more context.

So de la meva àvia i de la seva cosina most likely means:

• of my grandmother and her cousin

But whose her is meant may need context.

If you want to avoid ambiguity, Catalan can sometimes rephrase the sentence.

Yes, that is one possible interpretation.

Because seva is context-dependent, la seva cosina could be understood as:

• my grandmother’s cousin
• his/her cousin referring to the person from context
• another previously mentioned female person’s cousin

So the sentence may be a little ambiguous on its own. That is normal in Catalan, just as English can be ambiguous with her cousin.

Because it is still one drawing.

The sentence is not saying there are two drawings. It is saying there is:

• one drawing
• and that drawing shows two people

So:

• un dibuix de la meva àvia i de la seva cosina = one drawing of my grandmother and her cousin

This works the same way in English:

• a photo of my mother and my aunt
• a painting of two children

Yes, but it means something slightly different.

• Vol pintar un dibuix de la meva àvia i de la seva cosina
  = He/She wants to paint a drawing of my grandmother and her cousin

• Vol pintar la meva àvia i la seva cosina
  = He/She wants to paint my grandmother and her cousin

The second version is more direct and can imply painting them as subjects, especially in an artistic sense. The original sentence emphasizes the drawing/picture itself.

The accent in àvia shows the stress: À-vi-a.

So it is pronounced with the stress on the first syllable.

In general, written accents in Catalan help show:

• which syllable is stressed
• sometimes vowel quality as well

For a learner, it is useful to remember:

• àvia = grandmother
• avi = grandfather

The accent helps you pronounce àvia correctly and distinguish the word shape clearly.

Yes, overall it is understandable and structurally natural.

The main thing a learner might notice is that pintar un dibuix may sound more like paint/color a drawing than simply draw a picture. If the intended idea is draw a picture, Catalan might more naturally use:

• Vol fer un dibuix de la meva àvia i de la seva cosina

If the intended idea is specifically paint or color, then pintar un dibuix works well.