Avia dicit paulum furfuris in pane utile esse.

It has two parts:

1. Avia dicit = the main clause, Grandmother says
2. paulum furfuris in pane utile esse = the thing being said

That second part is an indirect statement. Latin often uses this pattern after verbs like say, think, know, and hear.

If you turned the indirect statement into a direct statement, it would be:

Paulum furfuris in pane utile est.
= A little bran in bread is useful.

In the actual sentence, est becomes esse because it is being reported after dicit.

Because Latin usually does not need a separate word like English that in this construction.

English says:

Grandmother says that ...

Latin typically says:

Grandmother says ... [accusative + infinitive]

So paulum furfuris in pane utile esse does the job that an English that-clause would do.

Because this is an indirect statement.

• In a direct statement, you would use a finite verb: est
• In an indirect statement after dicit, Latin changes the verb to an infinitive: esse

So:

• direct: utile est = is useful
• indirect: utile esse = to be useful, or more naturally in English, that it is useful

The subject of esse is paulum furfuris in pane.

In other words, the sentence says that a little bran in bread is useful.

In Latin indirect statement, that subject is normally put in the accusative. Here, though, you cannot see a difference in the form very clearly, because:

• paulum is neuter singular, and its nominative and accusative look the same
• utile is also neuter singular, and its nominative and accusative look the same

So the construction is there, but the forms happen to be identical.

Here paulum means a little, a small amount, or a little bit.

It is a neuter singular word being used as a quantity noun. So it does not mean just small by itself here; it means a small amount of something.

That is why it is followed by furfuris:

paulum furfuris = a little bran
literally, a little of bran

Because Latin often uses the partitive genitive after words of quantity.

So:

• paulum furfuris = a little of bran
• compare English a bit of bread, a little of the water

This is a very common Latin pattern:

• multum temporis = much time
• satis pecuniae = enough money
• paulum furfuris = a little bran

Also, the dictionary form is furfur, furfuris, so furfuris is the genitive singular form.

In this sentence, it is not functioning as an adverb.

You can tell because it is followed by the genitive furfuris and acts as the subject of esse.

So here it is better understood as a substantive neuter meaning a small amount or a little bit.

If it were adverbial, it would be modifying a verb, adjective, or adverb. But here it names a quantity of something.

Because utile agrees with paulum.

The head word of the subject phrase is paulum, which is neuter singular, so the predicate adjective must also be neuter singular:

• masculine/feminine: utilis
• neuter: utile

So Latin says:

paulum ... utile esse

not utilis, because the thing being described is grammatically neuter.

Also, since this is an indirect statement, the predicate adjective matches the subject in case as well. But here the neuter nominative and accusative forms are identical, so you still see utile.

Because in with the ablative usually means in, on, or inside in a location sense.

Here pane is the ablative singular of panis:

• panis = bread
• pane = in/on bread, in bread

So in pane means in bread.

If Latin meant motion into bread, it would normally use in + accusative instead.

Most naturally, it goes with the idea of the bran being in bread:

paulum furfuris in pane = a little bran in bread

That said, Latin word order is flexible, and a phrase like in pane can sometimes feel loosely connected to the whole statement: it gives the setting or context in which the bran is useful.

But the most straightforward reading is simply bran in bread.

Avia is nominative singular and is the subject of dicit.

So:

• avia = grandmother
• dicit = says

Together:

Avia dicit = Grandmother says

This is the main clause, and everything after it is the content of what she says.