Mater dicit frumentum in horreo satis esse, sed panem hodie adhuc emendum esse.

Because they are the subjects of an indirect statement.

After a verb like dicit (says), Latin often uses:

• accusative subject
  • infinitive verb

So:

• frumentum ... esse = that there is enough grain
• panem ... emendum esse = that bread must still be bought

If these were direct statements instead, they would be nominative:

• Frumentum in horreo satis est.
• Panis hodie adhuc emendus est.

But after dicit, they become accusative:

• frumentum
• panem

This is the accusative-and-infinitive construction, often called indirect statement.

Latin uses it after verbs of:

• saying
• thinking
• knowing
• hearing
• perceiving

So instead of saying something like Mother says that... with a separate clause introduced by that, Latin usually says:

• Mater dicit frumentum ... esse
• literally: Mother says grain ... to be
• naturally: Mother says that there is enough grain...

This is one of the most important Latin sentence patterns to learn.

Because there are two separate statements being reported:

1. frumentum in horreo satis esse
2. panem hodie adhuc emendum esse

Each part has its own infinitive because each part is its own indirect statement.

So the sentence is basically:

• Mother says [that there is enough grain in the granary]
• but [that bread still needs to be bought today]

Latin often repeats esse where English might not need to repeat to be so clearly.

Emendum esse means to have to be bought or must be bought.

It is a gerundive + esse construction, often called the passive periphrastic. It expresses necessity or obligation.

Here:

• emendum comes from emo, emere = to buy
• emendum esse = must be bought

So:

• panem hodie adhuc emendum esse = that bread still must be bought today

Because it agrees with panem, which is accusative singular masculine in indirect statement.

In the direct version, you would have:

• Panis hodie adhuc emendus est.

Here panis is nominative singular masculine, so the gerundive is emendus.

But in indirect statement after dicit, panis becomes panem, so the gerundive changes to match it:

• panem ... emendum esse

The gerundive must agree with the noun in:

• gender
• number
• case

They refer to different things:

• frumentum = grain, corn, or wheat in a general/raw sense
• panem = bread

So the idea is:

• there is enough raw grain stored in the granary,
• but actual bread still needs to be bought.

That contrast helps explain why both parts of the sentence appear together.

Because in with the ablative often means in or inside a place, showing location.

So:

• in horreo = in the granary

Compare:

• in + ablative = location (in the granary)
• in + accusative = motion into (into the granary)

Here there is no movement; the grain is simply located there.

Satis means enough.

In this sentence it works as an indeclinable word, so it does not change form to agree with frumentum.

So:

• frumentum ... satis esse = that there is enough grain

A learner might expect some adjective agreeing with frumentum, but satis does not work that way here.

Adhuc means still, up to now, or yet depending on context.

Here it means:

• still

So:

• panem hodie adhuc emendum esse = that bread still has to be bought today

It suggests that the buying has not happened yet.

Sed means but.

It links two contrasting ideas:

• there is enough grain in storage,
• but bread still needs to be bought.

So the contrast is between having one kind of food supply available and still lacking something ready to eat.

Latin word order is much more flexible than English word order because Latin relies heavily on endings to show grammatical function.

So in this sentence:

• Mater dicit
• frumentum in horreo satis esse
• sed panem hodie adhuc emendum esse

the endings tell you what each word is doing.

A more English-like arrangement might be something like:

• Mater dicit frumentum satis esse in horreo...

But Latin often places words for emphasis or rhythm rather than following a fixed English-style order.

They would be:

• Frumentum in horreo satis est.
• Panis hodie adhuc emendus est.

Then after Mater dicit, they change into indirect statement:

• frumentum in horreo satis esse
• panem hodie adhuc emendum esse

This is a very useful way to check your understanding: convert the indirect statement back into a direct one.

In meaning, yes: bread is the thing being bought.

But in grammar, within this Latin construction, panem is the subject of the passive idea emendum esse.

So compare:

• active idea: someone must buy bread
• passive Latin expression: bread must be bought

That is why Latin says:

• panis emendus est in direct statement
• panem emendum esse in indirect statement

So semantically it is what gets bought, but grammatically it is the subject of the passive construction.

It means more than just to buy bread.

It specifically means:

• bread still needs to be bought today
• bread must still be bought today

So the phrase contains three ideas:

• panem = bread
• hodie = today
• adhuc = still
• emendum esse = must be bought

Together they express an unfinished obligation that remains for today.