Di sabato passo dal panettiere e compro una brioche.

In Italian, di + day/time word can express a habitual action, something you usually do.

So di sabato means on Saturdays / on Saturdays in general.

It is different from:

• sabato = on Saturday or simply Saturday
• di sabato = on Saturdays, as a routine
• il sabato = also on Saturdays / Saturdays in general, in many contexts

In this sentence, di sabato tells you this is a regular habit.

Because Italian often uses the singular after expressions like di sabato when speaking about repeated time in a general sense.

So:

• di sabato = on Saturdays
• not literally of Saturday, even though that is what the words look like

This is a common difference from English: Italian often uses a singular form where English uses a plural.

Passo is the first person singular form of the verb passare:

• io passo = I pass / I stop by / I drop in

In this sentence, passo dal panettiere means I stop by the baker’s or I go by the bakery/baker’s shop.

So passare here does not mean only to pass in the physical sense. It often means to stop by somewhere briefly.

Because Italian usually drops subject pronouns when they are not needed.

The verb ending already tells you who the subject is:

• passo = I stop by
• compro = I buy

So io is unnecessary unless you want emphasis or contrast:

• Io passo dal panettiere, non tu. = I stop by the baker’s, not you.

This is very normal in Italian.

Dal = da + il

So:

• da = at / to / from, depending on context
• il panettiere = the baker

Together:

• dal panettiere = to the baker’s / at the baker’s

In Italian, da + person/profession is often used to mean at that person’s place/shop/business.

Examples:

• vado dal medico = I’m going to the doctor’s
• vado dal parrucchiere = I’m going to the hairdresser’s
• passo dal panettiere = I stop by the baker’s

Both can be possible, but they focus slightly differently:

• dal panettiere = to the baker’s, literally referring to the baker as the person/business
• alla panetteria = to the bakery, referring more directly to the place

In everyday Italian, dal panettiere is very natural and common.

So this sentence uses a very idiomatic everyday expression.

Because the present tense in Italian is often used for habitual or repeated actions, just like in English.

So:

• Di sabato passo dal panettiere e compro una brioche. means
• On Saturdays I stop by the baker’s and buy a brioche.

This is the normal tense for routines and habits.

Because they are different structures.

In di sabato, sabato is part of a time expression, and no article is used there.

In dal panettiere:

• da + il panettiere needs the article il
• da + il becomes dal

So the article is required because panettiere is a noun here: the baker.

This is a very useful cultural point.

In Italian, una brioche often refers to what many English speakers might call:

• a croissant
• or a sweet breakfast pastry similar to one

In some regions, especially in everyday usage, brioche does not mean exactly the same thing as French or English brioche.

So if you translate too literally, you might miss what an Italian speaker is picturing.

Because brioche is treated as a feminine singular noun in Italian.

So:

• una brioche = a brioche
• due brioche = two brioches

The word is often invariable in the plural in actual usage, so singular and plural can look the same:

• una brioche
• due brioche

Yes. E means and, and it links two actions with the same subject:

• passo dal panettiere
• e compro una brioche

Since the subject is the same person, Italian does not need to repeat it:

• I stop by the baker’s and buy a brioche

This structure is very straightforward and common.

The word order is natural and neutral:

• Di sabato = time expression first
• passo dal panettiere = first action
• e compro una brioche = second action

Italian word order is often flexible, but this version sounds very normal because it presents:

1. when
2. where you go
3. what you do

You could rearrange parts for emphasis, but this sentence is the most ordinary, unmarked way to say it.

Yes, that is also possible.

Both di sabato and il sabato can express a habitual action:

• Di sabato passo dal panettiere...
• Il sabato passo dal panettiere...

Very roughly:

• di sabato can sound slightly more adverbial, like on Saturdays
• il sabato can sound like on Saturdays / on Saturday in a general habitual sense

In many everyday contexts, both work well.