Mancipatio libripendem et quinque testes habet.

The subject is mancipatio. It is in the nominative singular, so it is the thing that has / includes / requires the others.

Even though mancipatio is an action or legal procedure rather than a person, Latin can still make it the subject of habet.

Because the verb agrees with the subject, not with the objects.

• mancipatio = singular subject
• habet = 3rd person singular present tense

The other nouns, libripendem and quinque testes, are objects, so they do not control the number of the verb.

Mancipatio is nominative singular.

That makes sense because it is the subject of the sentence. Its dictionary form is also mancipatio, so here you are seeing the noun in its basic nominative form.

They are in the accusative because they are the direct objects of habet.

The sentence says that mancipatio has/includes:

• libripendem
• quinque testes

So both of those are things directly governed by habet.

Yes. More exactly, it has a compound direct object:

• libripendem
• et quinque testes

The conjunction et joins the two object phrases together. English does the same thing in sentences like The ceremony requires a scale-holder and five witnesses.

The dictionary form is libripens.

Here, libripendem is the accusative singular form. So if a learner looks for libripendem in a dictionary, it may not appear directly; the entry will usually be under libripens.

Because libripens is a third-declension noun, and its accusative singular ends in -em.

So:

• nominative singular: libripens
• accusative singular: libripendem

That matches its role here as the direct object of habet.

Because quinque is an indeclinable cardinal numeral. In other words, five keeps the same form no matter what case it is in.

Instead, the noun that goes with it changes as needed. So here:

• quinque = unchanged
• testes = accusative plural, because it is part of the object of habet

Because quinque means five, so the noun must be plural.

The dictionary form is testis (witness), but with five witnesses Latin uses the plural form testes.

In this sentence, testes is accusative plural.

Formally, testes can be either nominative plural or accusative plural.

But in this sentence it must be accusative plural, because it is one of the direct objects of habet.

So the syntax tells you the case here.

Et connects the two object phrases:

• libripendem
• quinque testes

So it means and, just as in English.

Because Latin has no articles.

So mancipatio, libripendem, and testes can be understood as a, the, or sometimes simply left untranslated, depending on context.

That is normal in Latin and not something missing from the sentence.

Habet is:

• present tense
• active voice
• indicative mood
• 3rd person singular

It comes from habeo, habere.

So grammatically it means has or is having, though in this kind of sentence English often prefers includes or requires.

Yes. Latin word order is much more flexible than English word order because the case endings show each word’s function.

This sentence uses a very clear order:

• subject: mancipatio
• objects: libripendem et quinque testes
• verb: habet

But Latin could rearrange the words without changing the basic meaning, as long as the forms remain clear.

That is a good question. Latin habet often means more than literal possession. It can also mean:

• has as part of it
• includes
• requires

So here the idea is that mancipatio is a formal act that involves or requires these participants. English often uses a different verb, but Latin is perfectly natural with habet here.