Limitatio ante centuriationem incipit.

The subject is limitatio.

You can tell because:

• incipit means begins
• the thing that begins is limitatio
• limitatio is in the nominative singular, the case normally used for the subject

So the basic structure is:

• Limitatio = the subject
• incipit = the verb
• ante centuriationem = a prepositional phrase meaning before centuriation

Because ante is a preposition that takes the accusative when it means before.

So:

• ante = before
• centuriatio = centuriation
• centuriationem = accusative singular of centuriatio

This is very normal Latin grammar:

• ante + accusative

For example, Latin often uses the accusative after prepositions like:

• ante = before
• post = after
• per = through
• ad = to, toward

So ante centuriationem is exactly what you should expect.

Limitatio is nominative singular.

A learner might wonder whether it could be some other case, but here the context makes it clear:

• it is the word doing the action of incipit
• incipit is third person singular
• therefore its subject should also be singular
• limitatio fits perfectly as a feminine nominative singular noun

So the sentence means that one thing begins: limitatio.

Because the subject, limitatio, is singular.

Incipit is the third person singular present active indicative of incipio, meaning begin or start.

So:

• ego incipio = I begin
• tu incipis = you begin
• ille/illa/illud incipit = he/she/it begins

Since limitatio is a single thing, Latin uses incipit, not a plural form like incipiunt.

Latin has no articles like English the or a/an.

So limitatio can mean:

• limitatio
• the limitatio
• a limitatio

And centuriationem can mean:

• centuriation
• the centuriation

Which English article you use depends on the context, not on a separate Latin word.

That is very common in Latin. You often have to supply the or a naturally when translating.

Most likely it is talking about time: before centuriation.

However, ante can refer to either:

• time: before something happens
• space: in front of something

In this sentence, because incipit means begins, the most natural interpretation is temporal:

• limitatio begins before centuriation

So the idea is that one process starts earlier than another.

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

This sentence is written:

• Limitatio ante centuriationem incipit.

But Latin could also say, for example:

• Ante centuriationem limitatio incipit.
• Incipit limitatio ante centuriationem.

These all mean essentially the same thing.

That said, word order can affect emphasis:

• putting ante centuriationem first emphasizes the timing
• putting incipit first can make the statement feel more vivid or marked

The given order is straightforward and natural.

Limitatio is a noun.

More specifically, it is a feminine noun of the third declension.

Its dictionary form would normally be given as:

• limitatio, limitationis feminine

A learner may notice that it looks a bit like English words ending in -tion, and that is helpful: many Latin nouns in -tio correspond to English nouns in -tion.

For example:

• natio → nation
• oratio → oration, speech
• divisio → division
• limitatio → limitation / laying out of boundaries

So its form is very typical Latin.

It is also a noun, and specifically the accusative singular form of centuriatio.

Its dictionary form would be:

• centuriatio, centuriationis feminine

Like limitatio, it belongs to the third declension and has the common -tio pattern.

So the two nouns in the sentence are structurally similar:

• limitatio = nominative singular
• centuriationem = accusative singular

This similarity can help you recognize the pattern.

Because Latin present tense often covers several English possibilities.

Incipit is a simple present tense form, but in English it can be translated in different ways depending on context:

• begins
• is beginning
• does begin

Usually the most natural translation here is begins.

Latin does not always separate those shades of meaning the way English does. The context decides which English form sounds best.

Yes, it is a complete sentence.

It has everything it needs:

• a subject: limitatio
• a verb: incipit
• an optional but meaningful phrase: ante centuriationem

So grammatically it is complete and clear:

• Limitatio = what is beginning
• incipit = the action
• ante centuriationem = when, in relation to another process

Latin often expresses a lot in very few words.

A common classroom pronunciation would be roughly:

lee-mee-TAH-tee-oh AHN-teh ken-too-ree-ah-tee-OH-nem IN-kee-pit

If you want the stress:

• limitatio → li-mi-TA-ti-o
• ante → AN-te
• centuriationem → cen-tu-ri-a-ti-O-nem
• incipit → IN-ci-pit

If you are using restored classical pronunciation, the c is always hard, like k, so:

• centuriationem begins with a k sound
• incipit also has a hard k sound in the middle

You can make it smoother if the context calls for it.

A very literal translation is:

• before centuriation

But depending on the surrounding passage, a more natural English version might be:

• before the centuriation begins
• prior to centuriation
• before the land division into centuries

In other words, once you understand the grammar, you do not need to translate word-for-word mechanically. The important thing is to keep the relation expressed by ante + accusative: one thing happens before another.