Factor ex oleto in torcularium intrat.

Factor is the subject. It is in the nominative singular, which is the case normally used for the subject of a Latin sentence.

A learner might expect a subject ending like -us, but factor is a third-declension noun, not a second-declension one. Its dictionary form is factor, factoris.

Because intrat is third person singular, it matches a singular subject, so factor is the person doing the action.

The preposition ex takes the ablative case. So oleto is ablative singular.

This is a standard rule:

• ex + ablative = out of / from

So ex oleto means from the olive grove or out of the olive grove.

Oleto is the ablative singular of oletum, a second-declension neuter noun.

Its basic pattern is:

• nominative singular: oletum
• genitive singular: oleti
• ablative singular: oleto

Because it follows ex, it has to be in the ablative.

Yes. In can take either the ablative or the accusative, depending on the meaning.

• in + ablative = in / on with the idea of location
• in + accusative = into / onto with the idea of motion toward

Here there is movement into a place, so Latin uses in + accusative:

• in torcularium = into the press room

Here torcularium is accusative singular.

It comes from torcularium, a second-declension neuter noun. In neuter second-declension nouns, the nominative and accusative singular look the same, so torcularium could be either form depending on the sentence.

In this sentence it is accusative because it follows in with motion.

Intrat is:

• present tense
• active voice
• indicative mood
• third person singular

It comes from intrare, meaning to enter.

So grammatically it means he/she/it enters or is entering, depending on context.

Latin normally does not use articles like English the or a/an.

So a noun like factor can mean:

• the worker
• a worker

And torcularium can mean:

• the press room
• a press room

You figure out which is best from the context.

Not as much as in English. Latin word order is more flexible because the endings show how words function.

So the sentence could be rearranged in other ways and still mean essentially the same thing, for example:

• Ex oleto factor in torcularium intrat
• Factor in torcularium ex oleto intrat

The given order is perfectly normal, but Latin relies more on case endings than on position.

Intrat already tells you that someone is entering, but the two prepositional phrases add the starting point and the destination:

• ex oleto = where he comes from
• in torcularium = where he goes into

So the sentence gives a full movement picture: from one place, into another place.

Sometimes Latin can use a verb of entering with a direct object, especially with place words. But for a beginner, the safest way to understand this sentence is simply:

• in + accusative shows motion into a place

So in this sentence, in torcularium is the construction you should notice and learn.

There are three nouns, and they are not all from the same declension:

• factor: third declension, masculine
• oletum: second declension, neuter
• torcularium: second declension, neuter

That is why their endings look different:

• factor = nominative singular subject
• oleto = ablative singular after ex
• torcularium = accusative singular after in

Many Latin nouns ending in -or are masculine third-declension nouns. This ending often appears in agent nouns, words for a person who does something.

So a learner should not assume that every masculine nominative singular ends in -us. Latin has several declensions, and factor belongs to a different pattern:

• nominative: factor
• genitive: factoris

That genitive form is what shows it is third declension.