Hydria aquam habet.

Because aquam is the accusative singular form of aqua.

In this sentence, aquam is the direct object of habet, meaning it is the thing that is being had or contained. Latin changes noun endings to show their role in the sentence.

• aqua = water as a basic dictionary form
• aquam = water as the direct object

So in Hydria aquam habet, the jar is the subject, and water is the thing it has.

Because Hydria is the subject of the sentence, so it stays in the nominative singular form.

Latin usually uses:

• nominative for the subject
• accusative for the direct object

Here:

• Hydria = the thing doing the action
• aquam = the thing receiving the action of having

So Hydria remains nominative.

The ending -et shows that the verb is:

• third person
• singular
• present tense

So habet means he/she/it has.

Since Hydria is a single thing, the singular verb makes sense:

• Hydria ... habet = The water jar has ...

The base verb is habēre, meaning to have.

Classical Latin usually does not have articles like English the and a/an.

So:

• Hydria can mean a hydria, the hydria, or simply hydria
• aquam can mean water or the water, depending on context

English requires an article more often, but Latin usually leaves that idea to context.

Yes, but it is originally a Greek word that Latin borrowed.

A hydria is a kind of water jar or pitcher. Because it names a specific kind of object from Greek culture, Latin can use the Greek-based noun hydria.

Learners often notice that it does not look like a very typical basic Latin noun, and that is because of its Greek origin.

It is treated like a first-declension noun in this sentence.

Its nominative singular is hydria, which fits the common first-declension pattern. A learner can understand it here like many other first-declension nouns:

• nominative singular: hydria
• accusative singular: hydriam

Even if the word comes from Greek, its form here behaves in a very familiar Latin way.

Yes. Latin word order is more flexible than English word order because the endings show the grammatical roles.

So all of these can mean roughly the same thing:

• Hydria aquam habet
• Aquam hydria habet
• Hydria habet aquam

However, the order can change the emphasis:

• putting aquam first may emphasize the water
• putting habet later can give a more natural or climactic finish

The original sentence is simple and clear for learners.

The ending -a often suggests a first-declension feminine noun, and hydria is feminine.

Also, the noun refers to a jar, and in Latin every noun has a grammatical gender, even inanimate objects. That gender is a grammar feature, not a statement about biological sex.

So hydria is grammatically feminine, just as many first-declension nouns are.

A common classroom pronunciation would be something like:

HID-ree-a AH-kwam HAH-bet

More carefully:

• Hy- in restored classical pronunciation is often like hu or hy
• dria is pronounced with the vowels clearly: dri-a
• qu in aquam sounds like kw
• habet has a clear h in careful pronunciation

A rough classical-style pronunciation could be:

HU-dree-a AH-kwam HAH-bet

Different teaching traditions pronounce Latin somewhat differently, so you may hear slight variations.

The dictionary form is habeō, habēre, habuī, habitum.

When learners first meet a verb in a sentence, they often want to know its full entry. The form habet comes from habēre, meaning to have.

So:

• habēre = to have
• habet = he/she/it has

Because the verb ending already tells you the subject is third person singular.

In English, we must say it has. In Latin, habet already includes the idea of has with a third-person singular subject. Because Hydria is stated explicitly, there is no need for a separate pronoun.

Latin often leaves out subject pronouns unless they are needed for emphasis or clarity.