Subito mus e cellario exit, et feles ad eum currit.

Latin word order is much freer than English word order because Latin shows grammatical function mainly through endings, not just position.

So Subito mus e cellario exit literally has the order:

• subito = suddenly
• mus = mouse
• e cellario = out of the cellar
• exit = comes out / goes out

In English, we usually rely on word order much more strictly. In Latin, putting subito first helps give an immediate sense of surprise or sudden action.

So yes, the order is natural Latin, even though English might arrange things differently.

Subito here means suddenly.

It is being used as an adverb, describing how the action happens. It tells you how the mouse comes out.

So:

• exit = he/she/it comes out
• subito exit = he/she/it suddenly comes out

A learner might notice that subito can also appear in other contexts, but here its job is simply adverbial: suddenly.

Mus is the Latin noun meaning mouse.

In this sentence, mus is the subject of exit, so it means the mouse or a mouse, depending on context.

Latin does not have words exactly like English the and a/an in most sentences. That means:

• mus can mean a mouse
• mus can also mean the mouse

You decide which is more natural from the story or context.

Mus is in the nominative singular, because it is the subject of the verb exit.

A good basic rule is:

• nominative = subject
• accusative = direct object
• ablative = often used after certain prepositions like e/ex

Here, the mouse is the one doing the action of coming out, so mus must be nominative.

Latin often uses the preposition e or ex to mean out of or from.

So:

• e/ex = out of, from
• cellario = cellar, in the ablative case

That is why the phrase is e cellario: the preposition e requires the ablative.

This is a very common Latin pattern:

• e villa = out of the house / from the house
• ex urbe = out of the city
• e cellario = out of the cellar

Both e and ex mean the same thing here: out of or from.

Latin often chooses between them partly for sound:

• e is commonly used before a consonant
• ex is commonly used before a vowel or sometimes for emphasis or style

Since cellario begins with c, e cellario is perfectly normal.

You may also see ex before consonants sometimes, but e cellario is the expected simple form here.

Cellario is the ablative singular of cellarium, meaning cellar or storeroom.

Its ending -o shows that it is ablative singular for a second-declension neuter noun.

Because e/ex takes the ablative, we get:

• cellarium = cellar, storeroom
• e cellario = out of the cellar

So the ending changes because the noun is part of a prepositional phrase.

Yes. Exit is the Latin verb meaning he/she/it goes out or comes out, and it is related to the English word exit.

In this sentence, exit is a verb, not a noun. English borrowed exit as a noun or sign word, but in Latin it is a normal finite verb form.

So:

• exit = he/she/it goes out / comes out

Since the subject is mus, it means:

• the mouse comes out
• or the mouse goes out

The ending -t shows that the verb is third person singular in the present tense.

A very useful pattern in Latin is:

• -o / -m = I
• -s = you
• -t = he, she, it

So exit means:

• he goes out
• she goes out
• it goes out

Here the subject is mus, which is grammatically singular, so exit must also be singular.

Latin often tells simple stories in the present tense, especially in beginner texts. This is sometimes called the historical present or just a vivid storytelling present.

So even if English might naturally say:

• The mouse suddenly comes out, and the cat runs toward him

or

• The mouse suddenly came out, and the cat ran toward him

Latin may still use the present:

• exit
• currit

This makes the action feel immediate and lively.

Feles means cat.

It is the nominative singular here, and it is the subject of currit.

It may look unusual because not all Latin nouns follow the most beginner-familiar patterns like -a or -us in the nominative singular. Latin has several declensions, and some nouns have forms that simply need to be learned as vocabulary.

In this sentence:

• feles = the cat / a cat
• it is nominative because it is doing the action of running

Ad means to, toward, or up to.

So ad eum means toward him.

If Latin used eum by itself, it would usually mean him as a direct object, not toward him. But the verb currit here is about movement in a direction, so Latin uses the preposition ad plus the accusative.

So:

• eum = him
• ad eum = toward him / to him

Eum refers to mus, the mouse.

So the second part means the cat runs toward the mouse.

Latin often uses pronouns like this instead of repeating the noun immediately. Since mus is masculine, the pronoun referring back to it is eum.

Because eum agrees with the grammatical gender of mus, not with biological sex in the way English pronouns do.

In Latin, every noun has a grammatical gender:

• masculine
• feminine
• neuter

Mus is a masculine noun, so a pronoun referring to it is masculine too:

• eum = him

This does not necessarily mean the story is emphasizing that the mouse is biologically male. It is mainly a matter of grammar.

Eum is accusative singular masculine.

It is accusative because the preposition ad takes the accusative case.

So:

• ad
  • accusative = toward / to
• ad eum = toward him

This is a very common construction in Latin.

Currit means he/she/it runs.

Like exit, it is:

• present tense
• third person singular

So:

• exit = he/she/it comes out
• currit = he/she/it runs

In the sentence, feles is the subject of currit, so:

• feles ad eum currit = the cat runs toward him

Usually, yes. Et is the normal Latin word for and.

Here it simply links the two actions:

• the mouse comes out
• and the cat runs toward him

So et works exactly as you would expect in this sentence.

You can do both.

A very literal version would be:

• Suddenly a mouse out of the cellar comes out, and a cat toward him runs.

That is not good English, but it helps show the Latin structure.

A more natural English translation would be:

• Suddenly the mouse comes out of the cellar, and the cat runs toward him.

or, depending on context:

• Suddenly a mouse comes out of the cellar, and the cat runs toward it/him.

When learning Latin, it is useful to understand the literal structure first, then turn it into normal English.

Latin certainly could repeat the noun, but using a pronoun is natural and avoids repetition, just as in English.

So instead of something like:

• et feles ad murem currit = and the cat runs toward the mouse

the sentence uses:

• et feles ad eum currit = and the cat runs toward him

Both are possible in Latin, but the pronoun makes the sentence flow more naturally once the mouse has already been mentioned.