Gemellus parvum puerum tenet, dum gemella cum serva coronas ordinat.

They are different gender forms of the same word family.

• Gemellus is masculine nominative singular.
• gemella is feminine nominative singular.

So Latin is marking the twin boy versus the twin girl. In this sentence, each form is being used like a noun.

It does not have to be a name. Since Gemellus is the first word of the sentence, it would be capitalized anyway. The later gemella is lowercase, which suggests these may simply mean the twin boy and the twin girl rather than proper names.

So capitalization alone does not prove that Gemellus is a name.

Because parvum puerum is the direct object of tenet.

Latin uses the accusative case for a direct object:

• puer = nominative singular, boy as subject
• puerum = accusative singular, boy as object

The adjective has to agree with the noun in gender, number, and case, so:

• parvus puer = the small boy as subject
• parvum puerum = the small boy as object

Because they are both masculine accusative singular.

Latin adjectives must agree with the nouns they describe. So if puerum is masculine accusative singular, parvum has to match it.

That matching is one of the most important features of Latin grammar.

Latin usually does not use articles.

So parvum puerum can mean:

• a small boy
• the small boy

The context tells you which is meant. This is normal in Latin.

Both are third-person singular present active indicative verbs.

• tenet = he/she holds
• ordinat = he/she arranges / puts in order

The ending -t tells you the subject is he, she, or it.

Because the verb ending already gives that information.

In Latin, tenet already means he/she holds, and ordinat already means he/she arranges. Latin often leaves out subject pronouns unless they are needed for emphasis or contrast.

Here the nouns Gemellus and gemella make the subjects clear, so no pronouns are needed.

Here dum means while.

It introduces a subordinate clause showing an action happening at the same time as the action in the main clause:

• Gemellus ... tenet
• dum gemella ... ordinat

So the sense is while the twin girl is arranging the garlands, the twin boy is holding the small boy.

Because the preposition cum takes the ablative case.

So:

• serva here is ablative singular
• servam would be accusative singular, which would be wrong after cum

A useful thing to notice: in the first declension, the ablative singular often looks the same as the nominative singular. So serva can mean different things in different contexts, but after cum, it must be ablative: with the slave-girl.

Because gemella is nominative, while serva is inside the prepositional phrase cum serva.

So the structure is:

• gemella = subject
• cum serva = with the slave-girl
• coronas = direct object
• ordinat = verb

The sentence is not saying that the slave-girl arranges; it is saying that the twin girl arranges, and she does so with the slave-girl.

Because coronas is the direct object of ordinat, and it is plural.

corona is a first-declension noun:

• corona = nominative singular
• coronam = accusative singular
• coronae = nominative plural
• coronas = accusative plural

So coronas ordinat means she arranges the garlands.

Yes, but not in the same way as in English.

Latin word order is much more flexible because the endings show what each word is doing. English relies heavily on word order, but Latin relies much more on case endings and verb endings.

This sentence has a very normal Latin feel:

• subject early
• verb near the end
• object before the verb

So even if some words were moved around, the forms would still show their grammatical roles.